If you perform maintenance by yourself, be sure to follow the correct procedure as given in these sections.
ItemsParts and tools
•Grease
12-volt battery condition (→P. 51 1)
Brake fluid level(→P. 5 08 )
• Conventional wrench
(for terminal clamp bolts)
• FMVSS No.116 DOT 3 or SAE
J1703 brake fluid
•Rag or paper towel
• Funnel (used only for adding brake
fluid)
4
Maintenance and care
489
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
ItemsParts and tools
Engine/power control unit coolant
level(→P. 5 04 )
• “Toyota Super Long Life Coolant”
or a similar high quality ethylene
glycol-based non-silicate, nonamine, non-nitrite and non-borate
coolant with long-life hybrid
organic acid technology
For the U.S.A.:
“Toyota Super Long Life Coolant”
is pre-mixed with 50% coolant and
50% deionized water.
For Canada:
“Toyota Super Long Life Coolant”
is pre-mixed with 55% coolant and
45% deionized water.
• Funnel (used only for adding coolant)
490
CT200h_U (OM76004U)
ItemsParts and tools
Engine oil level(→P. 500)
4-3. Do-it-yourself maintenance
• “Toyota Genuine Motor Oil” or
equivalent
•Rag or paper towel
• Funnel (used only for adding
engine oil)
Fuses(→P. 542 )
Light bulbs(→P. 5 54 )
Radiator and condenser(→P. 5 07
Tire inflation pressure (→P. 5 30)
Was he r f lu id(→P. 51 0)
• Fuse with same amperage rating as
original
• Bulb with same number and wattage rating as original
• Phillips-head screwdriver
•Flathead screwdriver
•Wrench
)
⎯
• Tire pressure gauge
• Compressed air source
• Water or washer fluid containing
antifreeze (for winter use)
• Funnel (used only for adding water
or washer fluid)
4
Maintenance and care
CT200h_U (OM76004U)
491
4-3. Do-it-yourself maintenance
CAUTION
The engine compartment contains many mechanisms and fluids that may move suddenly, become hot, or become electrically energized. To avoid death or serious injury,
observe the following precautions.
n When working on the engine compartment
l Make sure that the indicator on the “POWER” switch and the “READY” indicator
are both off.
l Keep hands, clothing and tools away from the moving fan and engine drive belt.
l Be careful not to touch the engine, power control unit, radiator, exhaust manifold,
etc. right after driving as they may be hot. Oil and other fluids may also be hot.
l Do not leave anything that may burn easily, such as paper and rags, in the engine
compartment.
l Do not smoke, cause sparks or expose an open flame to fuel. Fuel fumes are flam-
mable.
n When working near the electric cooling fans or radiator grille
Be sure the “POWER” switch is off.
With the “POWER” switch in ON mode, the electric cooling fans may automatically start to run if the air conditioning is on and/or the coolant temperature is high.
(→P. 5 07 )
n Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from getting
in your eyes.
492
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
NOTICE
n If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear due to
dirt in the air. Also, a backfire could cause a fire in the engine compartment.
4
Maintenance and care
493
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
Hood
Release the lock from the inside of the vehicle to open the hood.
STEP 1
STEP 2
STEP 3
Pull the hood release lever.
The hood will pop up slightly.
Pull up the auxiliary catch lever
and lift the hood.
Hold the hood open by inserting
the supporting rod into the slot.
494
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
CAUTION
n Pre-driving check
Check that the hood is fully closed and locked.
If the hood is not locked properly, it may open while the vehicle is in motion and
cause an accident, which may result in death or serious injury.
n After installing the support rod into the slot
Make sure the rod supports the hood securely from falling down on to your head or
body.
NOTICE
n When closing the hood
Be sure to return the support rod to its clip before closing the hood. Closing the
hood without returning the support rod properly could cause the hood to bend.
4
Maintenance and care
495
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
Positioning a floor jack
When raising your vehicle with a floor jack, position the jack correctly.
Improper placement may damage your vehicle or cause injury.
Fron t
Rear
496
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
CAUTION
n When raising your vehicle
Make sure to observe the following precautions to reduce the possibility of death or
serious injury:
l Lift up the vehicle using a floor jack such as
the one shown in the illustration.
l When using a floor jack, follow the instructions of the manual provided with the
jack.
l Do not use the jack that was supplied with your vehicle.
l Do not put any part of your body underneath the vehicle when it is supported
only by the floor jack.
l Always use floor jack and/or automotive jack stands on a solid, flat, level surface.
l Do not start the hybrid system while the vehicle is supported by the floor jack.
l Stop the vehicle on level, firm ground, firmly set the parking brake and shift the
shift position to P.
l Make sure to set the floor jack properly at the jack point.
Raising the vehicle with an improperly positioned floor jack will damage the vehicle and may cause the vehicle to fall off the floor jack.
l Do not raise the vehicle while someone is in the vehicle.
l When raising the vehicle, do not place any object on top of or underneath the
floor jack.
4
Maintenance and care
CT200h_U (OM76004U)
497
4-3. Do-it-yourself maintenance
Engine compartment
Engine coolant reservoir
(→P. 5 04 )
Engine oil level dipstick
(→P. 5 00 )
Engine oil filler cap (→P. 50 0)
Power control unit coolant
Make sure that the cover is securely installed in its original position.
Maintenance and care
499
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
Engine oil
With the engine at operating temperature and turned off, check the oil
level on the dipstick.
n Checking the engine oil
STEP 1
Park the vehicle on level ground. After turning off the hybrid system, wait more than 5 minutes for the oil to drain back into the
bottom of the engine.
STEP 2
STEP 3
STEP 4
STEP 5
STEP 6
Holding a rag under the end, pull
the dipstick out.
Wipe the dipstick clean.
Reinsert the dipstick fully.
Holding a rag under the end, pull the dipstick out and check the
oil level.
Wipe the dipstick and reinsert it fully.
Low
Full
500
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
n Adding engine oil
If the oil level is below or near the
low level mark, add engine oil of
the same type as that already in the
engine.
Make sure to check the oil type and prepare the items needed before
adding oil.
Engine oil selection→P. 654
Oil quantity
(Low → Full)
ItemsClean funnel
STEP 1
STEP 2
STEP 3
Remove the oil filler cap by turning it counterclockwise.
Add engine oil slowly, checking the dipstick.
Install the oil filler cap by turning it clockwise.
1.6 qt. (1.5 L, 1.3 lmp.qt.)
4
Maintenance and care
CT200h_U (OM76004U)
501
4-3. Do-it-yourself maintenance
n Engine oil consumption
l The amount of engine oil consumed depends on the oil viscosity, the quality of
the oil and the way the vehicle is driven.
l More oil is consumed under driving conditions such as high speeds and fre-
quent acceleration and deceleration.
l A new engine consumes more oil.
l When judging the amount of oil consumption, keep in mind that the oil may
have become diluted, making it difficult to judge the true level accurately.
l Oil consumption: Max. 1.1 qt./600 miles (1.0 L/1000 km, 0.9 lmp.qt./600
miles)
l If your vehicle consumes more than 1.1 qt. (1.0 L, 0.9 lmp.qt.) every 600 miles
(1000 km), contact your Lexus dealer.
n After changing the engine oil (U.S.A. only)
The engine oil maintenance data should be reset. Perform the following procedures:
STEP 1
Switch the display to the trip meter “A” (→P. 188) when the hybrid system
is operating.
STEP 2
STEP 3
Turn the “POWER” switch off.
While pressing the trip meter reset button (→P. 188), turn the “POWER”
switch to ON mode (do not start the hybrid system because otherwise
the reset mode will be canceled). Continue to press and hold the button
until the trip meter displays “000000” and the multi-information display
indicates that the reset is complete.
502
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
CAUTION
n Used engine oil
l Used engine oil contains potentially harmful contaminants which may cause skin
disorders such as inflammation and skin cancer, so care should be taken to avoid
prolonged and repeated contact. To remove used engine oil from your skin, wash
thoroughly with soap and water.
l Dispose of used oil and filters only in a safe and acceptable manner. Do not dis-
pose of used oil and filters in household trash, in sewers or onto the ground. Call
your Lexus dealer, service station or auto parts store for information concerning
recycling or disposal.
l Do not leave used engine oil within the reach of children.
NOTICE
n To prevent serious engine damage
Check the oil level on a regular basis.
n When replacing the engine oil
l Be careful not to spill engine oil on the vehicle components.
l Avoid overfilling, or the engine could be damaged.
l Check the oil level on the dipstick every time you refill the vehicle.
l Be sure the engine oil filler cap is properly tightened.
4
Maintenance and care
CT200h_U (OM76004U)
503
4-3. Do-it-yourself maintenance
Coolant
The coolant level is satisfactory if it is between the “FULL” and “LOW”
lines on the reservoir when the hybrid system is cold.
Engine coolant reservoir
Reservoir cap
“FULL” line
“LOW” line
If the level is on or below the
“LOW” line, add coolant up to the
“FULL” line. (→P. 657 )
Power control unit coolant reservoir
Reservoir cap
“FULL” line
“LOW” line
504
If the level is on or below the
“LOW” line, add coolant up to the
“FULL” line. (→P. 657 )
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
n Coolant selection
Only use “Toyota Super Long Life Coolant” or a similar high quality ethylene glycol
based non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life
hybrid organic acid technology.
U.S.A.:“Toyota Super Long Life Coolant” is a mixture of 50% coolant and
For more details about coolant, contact your Lexus dealer.
n If the coolant level drops within a short time of replenishing
Visually check the radiator, hoses, engine/power control unit coolant reservoir
caps, drain cock and water pump.
If you cannot find a leak, have your Lexus dealer test the cap and check for leaks in
the cooling system.
CAUTION
n When the hybrid system is hot
Do not remove the engine/power control unit coolant reservoir caps.
The cooling system may be under pressure and may spray hot coolant if the cap is
removed, causing burns or other injuries.
4
Maintenance and care
505
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
NOTICE
n When adding coolant
Coolant is neither plain water nor straight antifreeze. The correct mixture of water
and antifreeze must be used to provide proper lubrication, corrosion protection
and cooling. Be sure to read the antifreeze or coolant label.
n If you spill coolant
Be sure to wash it off with water to prevent it from damaging parts or paint.
506
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
Radiator and condenser
Check the radiator and condenser and clear away any foreign objects.
If either of the above parts is extremely dirty or you are not sure of their
condition, have your vehicle inspected by your Lexus dealer.
CAUTION
n When the hybrid system is hot
Do not touch the radiator or condenser as they may be hot and cause burns.
n When the electric cooling fans are operating
Do not touch the engine compartment.
The electric cooling fans may keep rotating for about 3 minutes even after the
“POWER” switch is off.
With the “POWER” switch in ON mode, the electric cooling fans may automatically start to run if the air conditioning is on and/or the coolant temperature is high.
Be sure the “POWER” switch is off when working near the electric cooling fans or
radiator grille.
4
Maintenance and care
507
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
Brake fluid
n Checking fluid level
The brake fluid level should be
between the “MAX” and “MIN”
lines on the tank.
n Adding fluid
Make sure to check the fluid type and prepare the necessary item.
Fluid typeFMVSS No.116 DOT 3 or SAE J1703 brake fluid
ItemsClean funnel
n Brake fluid can absorb moisture from the air
Excess moisture in the brake fluid can cause a dangerous loss of braking efficiency.
Use only newly opened brake fluid.
508
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
CAUTION
n When filling the reservoir
Take care as brake fluid can harm your hands and eyes and damage painted surfaces.
If fluid gets on your hands or in your eyes, flush the affected area with clean water
immediately.
If you still experience discomfort, see a doctor.
NOTICE
n If the fluid level is low or high
It is normal for the brake fluid level to go down slightly as the brake pads wear out or
when the fluid level in the accumulator is high.
If the reservoir needs frequent refilling, there may be a serious problem.
4
Maintenance and care
509
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
Washer fluid
If any washer does not work or the
warning message appears on the
multi-information display, the
washer tank may be empty. Add
washer fluid.
CAUTION
n When adding washer fluid
Do not add washer fluid when the hybrid system is hot or operating as washer fluid
contains alcohol and may catch fire if spilled on the engine etc.
NOTICE
n Do not use any fluid other than washer fluid
Do not use soapy water or engine antifreeze instead of washer fluid.
Doing so may cause streaking on the vehicle’s painted surfaces.
n Diluting washer fluid
Dilute washer fluid with water as necessary.
Refer to the freezing temperatures listed on the washer fluid tank.
510
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
12-volt battery
n Location
n Removing the 12-volt battery cover
STEP 1
STEP 2
Open the center and right side auxiliary boxes. (→P. 4 47)
Remove the center auxiliary box. (→P. 61 6)
The 12-volt battery is located in
the right-hand side of luggage
compartment.
STEP 3
STEP 4
Remove the right side auxiliary
box.
4
Maintenance and care
Remove the 12-volt battery
maintenance cover.
CT200h_U (OM76004U)
511
4-3. Do-it-yourself maintenance
n Exterior
Make sure that the 12-volt battery terminals are not corroded and
that there are no loose connections, cracks, or loose clamps.
Terminals
Hold-down clamp
512
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
n Installing the 12-volt battery maintenance cover
STEP 1
STEP 2
STEP 3
Insert the 2 tabs on the far side
of the cover into the holes.
Hook on the 2 tabs on the near
side of the cover.
4
Maintenance and care
Hook on the 2 tabs on the
upper side of the cover.
CT200h_U (OM76004U)
513
4-3. Do-it-yourself maintenance
n Before recharging
When recharging, the 12-volt battery produces hydrogen gas which is flammable
and explosive. Therefore, observe the following precautions before recharging:
l If recharging with the 12-volt battery installed on the vehicle, be sure to discon-
nect the ground cable.
l Make sure the power switch on the charger is off when connecting and discon-
necting the charger cables to the 12-volt battery.
n After recharging/reconnecting the 12-volt battery
l Unlocking the doors using the smart access system with push-button start may
not be possible immediately after reconnecting the 12-volt battery. If this happens, use the wireless remote control or the mechanical key to lock/unlock the
doors.
l Start the hybrid system with the “POWER” switch in ACCESSORY mode. The
hybrid system may not start with the “POWER” switch turned OFF. However,
the hybrid system will operate normally from the second attempt.
l The “POWER” switch mode is recorded by the vehicle. If the battery is recon-
nected, the vehicle will return the “POWER” switch mode to the status it was in
before the battery was disconnected. Make sure to turn off the power before
disconnect the battery. Take extra care when connecting the battery if the
“POWER” switch mode prior to discharge is unknown.
l Restart the hybrid system, depress the brake pedal, and confirm that it is possi-
ble to shift into each shift position.
If the system will not start even after multiple attempts at all methods above, contact
your Lexus dealer.
514
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
CAUTION
n Chemicals in the 12-volt battery
The 12-volt battery contains poisonous and corrosive sulfuric acid and may produce hydrogen gas which is flammable and explosive. To reduce the risk of death or
serious injury, take the following precautions while working on or near the 12-volt
battery:
l Do not cause sparks by touching the 12-volt battery terminals with tools.
l Do not smoke or light a match near the 12-volt battery.
l Avoid contact with eyes, skin and clothes.
l Never inhale or swallow electrolyte.
l Wear protective safety glasses when working near the 12-volt battery.
l Keep children away from the 12-volt battery.
n Where to safely charge the 12-volt battery
Always charge the 12-volt battery in an open area. Do not charge the 12-volt battery in a garage or closed room where there is insufficient ventilation.
n How to recharge the 12-volt battery
Only perform a slow charge (4.2 A or less). The 12-volt battery may explode if
charged at a quicker rate.
4
Maintenance and care
CT200h_U (OM76004U)
515
4-3. Do-it-yourself maintenance
CAUTION
n Emergency measures regarding electrolyte
l If electrolyte gets in your eyes
Flush your eyes with clean water for at least 15 minutes and get immediate medical attention. If possible, continue to apply water with a sponge or cloth while
traveling to the nearest medical facility.
l If electrolyte gets on your skin
Wash the affected area thoroughly. If you feel pain or burning, get medical attention immediately.
l If electrolyte gets on your clothes
It can soak through clothing on to your skin. Immediately take off the clothing and
follow the procedure above if necessary.
l If you accidentally swallow electrolyte
Drink a large quantity of water or milk. Follow with milk of magnesia, beaten raw
egg or vegetable oil. Get emergency medical attention immediately.
n When replacing the 12-volt battery
Use a 12-volt battery designed for this vehicle. Failure to do so may cause gas
(hydrogen) to enter the passenger compartment, causing a fire or explosion.
For replacement of the 12-volt battery, contact your Lexus dealer.
516
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
CAUTION
n When disconnecting the 12-volt battery
Do not disconnect the negative (-) terminal
on the body side as shown. The disconnected
negative (-) terminal may touch the positive
(+) terminal, which may cause a short and
result in death or serious injury.
NOTICE
n When recharging the 12-volt battery
Never recharge the 12-volt battery while the hybrid system is operating. Also, be
sure all accessories are turned off.
4
Maintenance and care
517
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
Tires
Replace or rotate tires in accordance with maintenance schedules and
treadwear.
n Checking tires
New tread
Treadwear indicator
Worn tread
The location of treadwear indicators is shown by the “TWI” or
“∆” marks, etc., molded on the
sidewall of each tire.
Check spare tire condition and
pressure if not rotated.
n Tire rotation
Rotate the tires in the order
shown.
518
Front
To equalize tire wear and extend
tire life, Lexus recommends that
tire rotation is carried out at the
same interval as tire inspection.
Do not fail to initialize the tire
pressure warning system after
tire rotation.
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
n Tire pressure warning system
Your vehicle is equipped with a tire pressure warning system that
uses tire pressure warning valves and transmitters to detect low tire
inflation pressure before serious problems arise.
(→P. 585)
The compact spare tire is not equipped with a tire pressure warning
valve and transmitter.
4
Maintenance and care
519
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
Installing tire pressure warning valves and transmitters
When replacing tires or wheels, tire pressure warning valves and transmitters must also be installed.
When new tire pressure warning valves and transmitters are installed,
new ID codes must be registered in the tire pressure warning computer
and the tire pressure warning system must be initialized. Have tire pressure warning valve and transmitter ID codes registered by your Lexus
dealer. (→P. 52 2)
Initializing the tire pressure warning system
n The tire pressure warning system must be initialized in the following
circumstances:
l Vehicles with 17 inch tires: When rotating front and rear tires which
have different tire inflation pressures
l When changing the tire size
When the tire pressure warning system is initialized, the current tire
inflation pressure is set as the benchmark pressure.
520
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
n How to initialize the tire pressure warning system
STEP 1
Park the vehicle in a safe place and turn the “POWER” switch off.
Initialization cannot be performed while the vehicle is moving.
STEP 2
STEP 3
STEP 4
Adjust the tire inflation pressure to the specified cold tire inflation
pressure level. (→P. 6 61 )
Make sure to adjust the tire pressure to the specified cold tire inflation
pressure level. The tire pressure warning system will operate based on
this pressure level.
Turn the “POWER” switch to ON mode.
Press and hold the tire pressure
warning reset button until the tire
pressure warning light flashes
slowly 3 times.
4
Maintenance and care
STEP 5
Wait for a few minutes with the “POWER” switch in ON mode
and then turn the “POWER” switch off.
CT200h_U (OM76004U)
521
4-3. Do-it-yourself maintenance
Registering ID codes
The tire pressure warning valve and transmitter is equipped with a unique
ID code. When replacing a tire pressure warning valve and transmitter, it
is necessary to register the ID code. Have the ID code registered by your
Lexus dealer.
n When to replace your vehicle’s tires
Tires should be replaced if:
l You have tire damage such as cuts, splits, cracks deep enough to expose the
fabric, and bulges indicating internal damage.
l A tire goes flat repeatedly or cannot be properly repaired due to the size or
location of a cut or other damage.
If you are not sure, consult with your Lexus dealer.
n Replacing tires and wheels
If the ID code of the tire pressure warning valve and transmitter is not registered,
the tire pressure warning system will not work properly. After driving for about 20
minutes, the tire pressure warning light flashes for 1 minute and stays on to indicate a
system malfunction.
n Tire lif e
Any tire over 6 years old must be checked by a qualified technician even if it has seldom or never been used or damage is not obvious.
522
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
n Routine tire inflation pressure checks
The tire pressure warning system does not replace routine tire inflation pressure
checks. Make sure to check tire inflation pressure as part of your routine of daily
vehicle checks.
n Low profile tires (vehicles with 17 inch tires)
Generally, low profile tires will wear more rapidly and tire grip performance will be
reduced on snowy and/or icy roads when compared to standard tires. Be sure to
use snow tires or tire chains on snowy and/or icy roads and drive carefully at a
speed appropriate for road and weather conditions.
n Maximum load of tire
Check that the maximum load of the replacement tire is greater than 1/2 of the
Gross Axle Weight Ratings (GAWR) of either the front axle or the rear axle, whichever is greater.
For the GAWR, see the Certification Label.
For the maximum load of the tire, see the load
limit at maximum cold tire inflation pressure
mentioned on the sidewall of the tire.
→P. 668)
(
4
Maintenance and care
CT200h_U (OM76004U)
523
4-3. Do-it-yourself maintenance
n Tire typ es
l Summer tires
Summer tires are high-speed performance tires best suited to highway driving
under dry conditions. Since summer tires do not have the same traction performance as snow tires, summer tires are inadequate for driving on snow-covered
or icy roads. For driving on snow-covered roads or icy roads, the use of snow tires
is recommended. When installing snow tires, be sure to replace all four tires.
l All season tires
All season tires are designed to provide better traction in snow and to be adequate for driving in most winter conditions as well as for use year-round. All season tires, however, do not have adequate traction performance compared with
snow tires in heavy or loose snow. Also, all season tires fall short in acceleration
and handling performance compared with summer tires in highway driving.
l Snow tires
For driving on snow-covered roads or icy roads, we recommend using snow tires.
If you need snow tires, select tires of the same size, construction and load capacity as the originally installed tires. Since your vehicle has radial tires as original
equipment, make sure your snow tires also have radial construction. Do not install
studded tires without first checking local regulations for possible restrictions.
Snow tires should be installed on all wheels. (→P. 2 70 )
524
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
n Initializing the tire pressure warning system
Initialize the system with the tire inflation pressure adjusted to the specified level.
n If the tread on snow tires wears down below 0.16 in. (4 mm)
The effectiveness of the tires as snow tires is lost.
n If you press the tire pressure warning reset button accidentally
If initialization is performed, adjust the tire inflation pressure to the specified level
and initialize the tire pressure warning system again.
n When initialization of the tire pressure warning system has failed
Initialization can be completed in a few minutes. However, in the following cases,
the settings have not been recorded and the system will not operate properly. If
repeated attempts to record tire inflation pressure settings are unsuccessful, have
the vehicle inspected by your Lexus dealer.
l When operating the tire pressure warning reset button, the tire pressure warn-
ing light does not flash 3 times.
l After carrying out the initialization procedure, the tire pressure warning light
flashes for 1 minute then stays on after driving for 20 minutes.
4
Maintenance and care
525
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
n Tire pressure warning system certification
For vehicles sold in the U.S.A.
MODEL/FCC IDs:
Transmitter: PAXPMV107J
Receiver: HYQ13BDE
This device complies with Part 15 of the FCC Rules. Operation is subject to the fol-
lowing two conditions: (1) this device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
FCC WARNING:
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
For vehicles sold in Canada
Operation is subject to the following two conditions; (1) this device may not cause
interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.
526
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
CAUTION
n When inspecting or replacing tires
Observe the following precautions to prevent accidents.
Failure to do so may cause damage to parts of the drive train as well as dangerous
handling characteristics, which may lead to an accident resulting in death or serious
injury.
l Do not mix tires of different makes, models or tread patterns.
Also, do not mix tires of remarkably different treadwear.
l Do not use tire sizes other than those recommended by Lexus.
l Do not mix differently constructed tires (radial, bias-belted or bias-ply tires).
l Do not mix summer, all season and snow tires.
l Do not use tires that have been used on another vehicle.
Do not use tires if you do not know how they were used previously.
n When initializing the tire pressure warning system
Do not operate the tire pressure warning reset button without first adjusting the tire
inflation pressure to the specified level. Otherwise, the tire pressure warning light
may not come on even if the tire inflation pressure is low, or it may come on when
the tire inflation pressure is actually normal.
4
Maintenance and care
CT200h_U (OM76004U)
527
4-3. Do-it-yourself maintenance
NOTICE
n Repairing or replacing tires, wheels, tire pressure warning valves, transmitters
and tire valve caps
l When removing or fitting the wheels, tires or the tire pressure warning valves and
transmitters, contact your Lexus dealer as the tire pressure warning valves and
transmitters may be damaged if not handled correctly.
l When replacing tire valve caps, do not use tire valve caps other than those speci-
fied. The cap may become stuck.
n To avoid damage to the tire pressure warning valves and transmitters
When a tire is repaired with liquid sealants, the tire pressure warning valve and
transmitter may not operate properly. If a liquid sealant is used, contact your Lexus
dealer or other qualified service shop as soon as possible. Make sure to replace the
tire pressure warning valve and transmitter when replacing the tire. (
n Driving on rough roads
→P. 5 20 )
Take particular care when driving on roads with loose surfaces or potholes.
These conditions may cause losses in tire inflation pressure, reducing the cushioning ability of the tires. In addition, driving on rough roads may cause damage to the
tires themselves, as well as the vehicle’s wheels and body.
528
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
NOTICE
n Low profile tires (vehicles with 17 inch tires)
Low profile tires may cause greater damage than usual to the tire wheel when sustaining impact from the road surface. Therefore, pay attention to the following:
l Be sure to use proper tire inflation pressure. If tires are under-inflated, they may
be damaged more severely.
l Avoid potholes, uneven pavement, curbs and other road hazards. Failure to do so
may lead to severe tire and wheel damage.
n If tire inflation pressure of each tire becomes low while driving
Do not continue driving, or your tires and/or wheels may be ruined.
4
Maintenance and care
529
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
Tire inflation pressure
n Tire inflation pressure
The recommended cold tire inflation pressure and tire size are displayed on the tire and loading information label. (→P. 6 61 )
530
CT200h_U (OM76004U)
.
n Inspection and adjustment procedure
4-3. Do-it-yourself maintenance
Tir e v alv e
Tire pressure gauge
STEP 1
STEP 2
STEP 3
STEP 4
STEP 5
STEP 6
Remove the tire valve cap.
Press the tip of the tire pressure gauge onto the tire valve.
Read the pressure using the gauge gradations.
If the tire inflation pressure is not at the recommended level,
adjust the pressure.
If you add too much air, press the center of the valve to deflate.
After completing the tire inflation pressure measurement and
adjustment, apply soapy water to the valve and check for leakage.
Put the tire valve cap back on.
4
Maintenance and care
CT200h_U (OM76004U)
531
4-3. Do-it-yourself maintenance
n Tire inflation pressure check interval
You should check tire inflation pressure every two weeks, or at least once a month.
Do not forget to check the spare.
n Effects of incorrect tire inflation pressure
Driving with incorrect tire inflation pressure may result in the following:
l Reduced fuel efficiency
l Reduced driving comfort and tire life
l Reduced safety
l Damage to the drive train
If a tire needs frequent inflating, have it checked by your Lexus dealer.
n Instructions for checking tire inflation pressure
When checking tire inflation pressure, observe the following:
l Check only when the tires are cold.
If your vehicle has been parked for at least 3 hours or has not been driven for
more than 1 mile or 1.5 km, you will get an accurate cold tire inflation pressure
reading.
l Always use a tire pressure gauge.
The appearance of the tire can be misleading. In addition, tire inflation pressure
that is even just a few pounds off can affect ride quality and handling.
l Do not reduce tire inflation pressure after driving. It is normal for tire inflation
pressure to be higher after driving.
l Never exceed the vehicle capacity weight.
Passengers and luggage weight should be placed so that the vehicle is balanced.
532
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
CAUTION
n Proper inflation is critical to save tire performance
Keep your tires properly inflated. Otherwise, the following conditions may occur
and result in an accident causing death or serious injury:
l Excessive wear
l Uneven wear
l Poor handling
l Possibility of blowouts resulting from overheated tires
l Poor sealing of the tire bead
l Wheel deformation and/or tire separation
l A greater possibility of tire damage from road hazards
NOTICE
n When inspecting and adjusting tire inflation pressure
Be sure to put the tire valve caps back on.
Without the valve caps, dirt or moisture could get into the valve and cause air leakage, which could result in an accident. If the caps are lost, replace them as soon as
possible.
4
Maintenance and care
533
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
Wheels
If a wheel is bent, cracked or heavily corroded, it should be replaced. Otherwise, the tire may separate from the wheel or cause a loss of handling
control.
n Wheel selection
When replacing wheels, care should be taken to ensure that they
are equivalent to those removed in load capacity, diameter, rim
width and inset*.
Replacement wheels are available at your Lexus dealer.
*: Conventionally referred to as “offset”.
Lexus does not recommend using the following:
l Wheels of different sizes or types
l Used wheels
l Bent wheels that have been straightened
n Aluminum wheel precautions
l Use only Lexus wheel nuts and wrenches designed for use with
your aluminum wheels.
l When rotating, repairing or changing your tires, check that the
wheel nuts are still tight after driving 1000 miles (1600 km).
l Be careful not to damage the aluminum wheels when using tire
chains.
l Use only Lexus genuine balance weights or equivalent and a
plastic or rubber hammer when balancing your wheels.
534
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
n When replacing wheels
The wheels of your vehicle are equipped with tire pressure warning valves and
transmitters that allow the tire pressure warning system to provide advance warning
in the event of a loss in tire inflation pressure. Whenever wheels are replaced, tire
pressure warning valves and transmitters must be installed. (→P. 5 20 )
CAUTION
n When replacing wheels
l Do not use wheels that are a different size from those recommended in the
Owner’s Manual, as this may result in a loss of handling control.
l Never use an inner tube in a leaking wheel which is designed for a tubeless tire.
Doing so may result in an accident, causing death or serious injury.
n When installing the wheel nuts
Tapered
portion
l Be sure to install the wheel nuts with the
tapered end facing inward. Installing the
nuts with the tapered end facing outward
can cause wheel to break and eventually
cause a wheel to come off while driving,
which could lead to an accident resulting in
death or serious injury.
l Never use oil or grease on the wheel bolts or wheel nuts.
Oil and grease may cause the wheel nuts to be excessively tightened, leading to
bolt or disc wheel damage. In addition, the oil or grease can cause the wheel nuts
to loosen and the wheel may fall off, causing an accident and resulting in death or
serious injury. Remove any oil or grease from the wheel bolts or wheel nuts.
4
Maintenance and care
535
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
NOTICE
n Replacing tire pressure warning valves and transmitters
l Because tire repair or replacement may affect the tire pressure warning valves
and transmitters, make sure to have tires serviced by your Lexus dealer or other
qualified service shop. In addition, make sure to purchase your tire pressure
warning valves and transmitters at your Lexus dealer.
l Ensure that only genuine Lexus wheels are used on your vehicle.
Tire pressure warning valves and transmitters may not work properly with nongenuine wheels.
536
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
Air conditioning filter
The air conditioning filter must be changed regularly to maintain air conditioning efficiency.
n Removal method
STEP 1
Turn the “POWER” switch off.
STEP 2
STEP 3
STEP 4
Open the glove box. Lift and
remove the partition.
Remove the glove box cover.
4
Maintenance and care
Remove the filter cover.
CT200h_U (OM76004U)
537
4-3. Do-it-yourself maintenance
STEP 5
Slide and pull out the filter.
Replace it with a new one.
The “↑UP” marks shown on the
filter should be pointing up.
n Checking interval
Inspect and replace the air conditioning filter according to the maintenance schedule. In dusty areas or areas with heavy traffic flow, early replacement may be
required. (For scheduled maintenance information, please refer to the “Owner’s
Manual Supplement” or “Scheduled Maintenance”.)
n If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
NOTICE
n When using the air conditioning system
Make sure that a filter is always installed.
Using the air conditioning system without a filter may cause damage to the system.
538
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
Electronic key battery
Replace the battery with a new one if it is depleted.
n You will need the following items:
l Flathead screwdriver
l Lithium battery CR1632
n Replacing the battery
STEP 1
STEP 2
STEP 3
Take out the mechanical key.
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver
with a rag.
Remove the depleted battery.
Insert a new battery with the “+”
terminal facing up.
4
Maintenance and care
CT200h_U (OM76004U)
539
4-3. Do-it-yourself maintenance
n Use a CR1632 lithium battery
l Batteries can be purchased at your Lexus dealer, local electrical appliance
shops or camera stores.
l Replace only with the same or equivalent type recommended by the manufac-
turer.
l Dispose of used batteries according to local laws.
n When the card key battery needs to be replaced (if equipped)
The battery for the card key is available only at Lexus dealers. Your Lexus dealer
can replace the battery for you.
n If the electronic key battery is depleted
The following symptoms may occur:
l The smart access system with push-button start and wireless remote control will
not function properly.
l The operational range will be reduced.
540
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
CAUTION
n Removed battery and other parts
Keep away from children. These parts are small and if swallowed by a child, they can
cause choking. Failure to do so could result in death or serious injury.
NOTICE
n For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
l Always work with dry hands.
Moisture may cause the battery to rust.
l Do not touch or move any other component inside the remote control.
l Do not bend either of the battery terminals.
4
Maintenance and care
541
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have blown.
If this happens, check and replace the fuses as necessary.
STEP 1
STEP 2
Turn the “POWER” switch off.
Open the fuse box cover.
Engine compartment
Left side instrument panel
Push the tab in and lift the lid off.
Remove the lid.
STEP 3
After a system failure, see “Fuse layout and amperage ratings”
(→P. 545) for details about which fuse to check.
542
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
STEP 4
STEP 5
Type A
Type B
Remove the fuse.
Check if the fuse is blown.
Only type A fuse can be
removed using the pullout tool.
Normal fuse
Blown fuse
Replace the blown fuse with a
new fuse of an appropriate
amperage rating. The amperage
rating can be found on the fuse
box lid.
4
Maintenance and care
CT200h_U (OM76004U)
Normal fuse
Blown fuse
Replace the blown fuse with a
new fuse of an appropriate
amperage rating. The amperage
rating can be found on the fuse
box lid.
543
4-3. Do-it-yourself maintenance
Type C
Type D
Normal fuse
Blown fuse
Replace the blown fuse with a
new fuse of an appropriate
amperage rating. The amperage
rating can be found on the fuse
box lid.
Normal fuse
Blown fuse
Replace the blown fuse with a
new fuse of an appropriate
amperage rating. The amperage
rating can be found on the fuse
box lid.
544
CT200h_U (OM76004U)
Fuse layout and amperage ratings
Engine compartment
4-3. Do-it-yourself maintenance
FuseAmpereCircuit
1
DC/DC125 AInverter and converter
2
HTR50 AAir conditioning system
3
RDI30 AElectric cooling fans
4
CDS30 AElectric cooling fans
5
RAD NO.115 AAudio system, navigation system
6
S-HORN10 AAlarm, navigation system
7
ENG W/P30 ACooling system
8
ABS MAIN NO.27.5 AElectronically controlled brake system
Windshield wiper de-icer switch,
automatic headlight leveling system
Windshield wipers, intuitive parking
assist, electronically controlled brake
system, navigation system, electric
power steering system, turn signal
lights, emergency flashers, yaw rate
and G sensor, headlight cleaner, outside rear view mirrors, driving mode
select switches, overhead module,
pre-collision seat belts, seat heater
switches, heated steering wheel
switch, tire pressure warning system,
dynamic radar cruise control
550
CT200h_U (OM76004U)
FuseAmpereCircuit
11
ECU-IG NO.110 ANo circuit
12
S/ROOF30 AMoon roof
13
DOOR RL25 APowe r windows
14
DOOR RR25 APower win dows
4-3. Do-it-yourself maintenance
15
D FR DOOR25 A
16
P FR DOOR25 A
Power windows, outside rear view
mirrors
Power windows, outside rear view
mirrors
Stop/tail lights, electronically con-
17
STOP10 A
trolled brake system, pre-collision system
18
RR FOG7.5 AStop/tail lights
19
FUEL OPEN7. 5 AFuel filler door opener
20
OBD7. 5 AOn-board diagnosis system
21
PWR SEAT30 APower seat
22
FR FOG15 AFront fog lights
23
DBL LOCK25 ANo circuit
24
PSB30 APre-collision seat belts
25
STRG HTR10 AHeated steering wheel
26
DOOR NO.125 APower door lock system
4
Maintenance and care
CT200h_U (OM76004U)
551
4-3. Do-it-yourself maintenance
FuseAmpereCircuit
27
SEAT HTR FL10 ASeat heaters
28
SEAT HTR FR10 ASeat heaters
29
RAD NO.27. 5 A
30
PWR OUTLET15 APowe r outlet
31
ECU-ACC10 A
32
PWR OUTLET215 ANo circuit
n After a fuse is replaced
l If the lights do not turn on even after the fuse has been replaced, a bulb may
Audio system, navigation system,
overhead module
Air conditioning system, outside rear
view mirror switches
need replacement. (→P. 55 4)
l If the replaced fuse blows again, have the vehicle inspected by your Lexus
dealer.
n If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness from damage.
552
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
CAUTION
n To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage, and possibly a fire or injury.
l Never use a fuse of a higher amperage rating than that indicated, or use any
other object in place of a fuse.
l Always use a genuine Lexus fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
This can cause extensive damage or even fire.
l Do not modify the fuses or fuse boxes.
n Fuse box near the power control unit
Never check or replace the fuses as there are high voltage parts and wiring near
the fuse box.
Doing so may cause electric shock, resulting in death or serious injury.
NOTICE
n Before replacing fuses
Have the cause of electrical overload determined and repaired by your Lexus
dealer as soon as possible.
4
Maintenance and care
553
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
Light bulbs
You may replace the following bulbs by yourself. The difficulty level of
replacement varies depending on the bulb. If necessary bulb replacement
seems difficult to perform, contact your Lexus dealer.
For more information about replacing other light bulbs, contact your Lexus
dealer.
n Preparing for light bulb replacement
Check the wattage of the light bulb to be replaced. (→P. 664)
n Removing the engine compartment covers
→P. 49 9
n Front bulb locations
Halogen headlights
Front turn signal lightHeadlight low beam
Headlight high beamFront fog light
554
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
LED headlights
Headlight high beam
Front turn signal lightFront fog light
n Rear bulb locations
Rear turn signal light
Back-up light
4
Maintenance and care
License plate
lights
555
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
Replacing light bulbs
n Headlight low beams (halogen headlights)
STEP 1
STEP 2
For the right side only: Remove the
securing clips and unclip the
engine coolant reservoir hose.
Then lift up the air cleaner inlet
duct.
Unplug the connector while pressing the lock release.
556
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
STEP 3
Turn the bulb base counterclockwise.
n Headlight high beams (halogen headlights)
STEP 1
For the right side only: Move the
washer fluid filler opening.
STEP 2
Unplug the connector while pressing the lock release.
4
Maintenance and care
STEP 3
CT200h_U (OM76004U)
Turn the bulb base counterclockwise.
557
4-3. Do-it-yourself maintenance
n Headlight high beams (LED headlights)
STEP 1
For the right side only: Remove the securing clips and unclip the
engine coolant reservoir hose. Then lift up the air cleaner inlet
duct. (→P. 55 6)
STEP 2
STEP 3
STEP 4
Turn the cover counterclockwise
and remove it.
Turn the bulb base counterclockwise.
Unplug the connector while pulling the lock release.
558
CT200h_U (OM76004U)
n Front fog lights (if equipped)
4-3. Do-it-yourself maintenance
STEP 1
STEP 2
Remove 2 screws, a bolt and clip,
and pull down the engine under
cover.
Pull the cover down slowly, being
careful not to dislodge any fixed
components.
Unplug the connector while pressing the lock release.
4
Maintenance and care
STEP 3
CT200h_U (OM76004U)
Turn the bulb base counterclockwise.
559
4-3. Do-it-yourself maintenance
n Front turn signal lights (halogen headlights)
STEP 1
For the right side only: Remove the securing clips and unclip the
engine coolant reservoir hose. Then lift up the air cleaner inlet
duct. (→P. 55 6)
STEP 2
STEP 3
Turn the bulb base counterclockwise.
Remove the light bulb.
560
CT200h_U (OM76004U)
n Front turn signal lights (LED headlights)
Left side
STEP 1
Remove the power control unit
cover.
4-3. Do-it-yourself maintenance
STEP 2
STEP 3
Turn the bulb base counterclockwise.
4
Maintenance and care
Remove the light bulb.
CT200h_U (OM76004U)
561
4-3. Do-it-yourself maintenance
Right side
STEP 1
Move the washer fluid filler opening. (→P. 55 7)
STEP 2
STEP 3
Turn the bulb base counterclockwise.
Remove the light bulb.
562
CT200h_U (OM76004U)
n Rear turn signal lights
4-3. Do-it-yourself maintenance
STEP 1
STEP 2
STEP 3
Open the back door and remove
the covers and bolts, and remove
the lamp assembly by pulling it
directly backward from the rear of
the vehicle.
Use a flathead screwdriver
wrapped in a cloth.
Turn the bulb base counterclockwise.
Remove the light bulb.
4
Maintenance and care
CT200h_U (OM76004U)
563
4-3. Do-it-yourself maintenance
n Back-up lights
STEP 1
STEP 2
STEP 3
Open the back door and remove
the cover.
Use a flathead screwdriver
wrapped in a cloth.
Turn the bulb base counterclockwise.
Remove the light bulb.
564
CT200h_U (OM76004U)
n License plate lights
4-3. Do-it-yourself maintenance
STEP 1
STEP 2
STEP 3
Open the back door and remove
the cover.
Use a flathead screwdriver
wrapped in a cloth.
Turn the bulb base counterclockwise.
Remove the light bulb.
4
Maintenance and care
CT200h_U (OM76004U)
565
4-3. Do-it-yourself maintenance
n Lights other than the above
If any of the lights listed below has burnt out, have it replaced by your
Lexus dealer.
l Headlight low beams (LED type)
l Parking lights and daytime running lights
l Front side marker lights
l Side turn signal lights
l Stop/tail lights
l Rear side marker lights
l High mounted stoplight
l Outer foot light
566
CT200h_U (OM76004U)
4-3. Do-it-yourself maintenance
n After replacing the bulbs
After lifting up the air cleaner duct or removing the power control unit cover, return the
duct or the cover to their original positions
with the clips.
Push up center portion
Insert
Press
n LED lights
The headlight low beams (LED type), parking lights, front side marker lights, daytime running lights, side turn signal lights, rear side marker lights, stop/tail lights and
high mounted stoplight consist of a number of LEDs. If any of the LEDs burn out,
take your vehicle to your Lexus dealer to have the light replaced.
n Condensation build-up on the inside of the lens
Contact your Lexus dealer for more information in the following situations. Temporary condensation build-up on the inside of the headlight lens does not indicate a
malfunction.
l Large drops of water have built up on the inside of the lens.
l Water has built up inside the headlight.
4
Maintenance and care
CT200h_U (OM76004U)
567
4-3. Do-it-yourself maintenance
CAUTION
n Replacing light bulbs
l Turn off the lights. Do not attempt to replace the bulb immediately after turning
off the lights.
The bulbs become very hot and may cause burns.
l Do not touch the glass portion of the light bulb with bare hands. Hold the bulb by
the plastic or metal portion.
If the bulb is scratched or dropped, it may blow out or crack.
l Fully install light bulbs and any parts used to secure them. Failure to do so may
result in heat damage, fire, or water entering the headlight unit. This may damage
the headlights or cause condensation to build up on the lens.
n To prevent damage or fire
Make sure bulbs are fully seated and locked.
568
CT200h_U (OM76004U)
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