Warning and indicator lights
Overview of special driving tips
Hybrid functions and mode
Energy flow display
High-voltage battery
Special considerations for hybrid vehicles
Removing and installing engine compartment cover
All work on the high-voltage system is dangerous, requires specialized knowledge, and should be
CARried out solely by authorized Volkswagen dealers and authorized Volkswagen Service Facilities
that are qualified to do work on hybrid vehicles and have the training, know-how, tools, and equipment
required to properly maintain, diagnose, and repair the hybrid electrical system in accordance with the
standards and guidelines established by Volkswagen ⇒
The high-voltage network is made up of the following high-voltage components: t h e high-voltage
battery, the power electronics (made up of the DC/DC converter and pulse inverter), the electric
motor, high-voltage air conditioning compres sor, and the ora ng e -c olo re d high-voltage cables and
connectors.
.
More information:
Instruments
System settings (CAR )
Starting and stopping the engine
Braking, stopping and parking
Saving fuel and helping the environment
Preparations for working in the engine co mpartment
Changing a light bulb
Jump-starting
DANGER
.
The vehicle's high-voltage ele ctr ical system and high-voltage battery are dangerous and can
cause burns, other serious personal injuries, electrocuti on, an d de ath.
Always assume that high-voltage battery and parts of the high-voltage system are fully
charged and energized.
Never touch or let jewelry or other metal objects contact high-voltage cables or the highvoltage battery and battery poles, especi al ly if the cables, battery, and battery poles have
been damaged in any way.
Never do any work yourself on the high-volta ge el ectrical system, the orange-colore d
high-voltage wiring, or on th e hi g h - voltage battery.
Never open, service, repair, or disconnect any part of the hybrid electrical s ystem.
Never damage the orange-colored high-voltag e c a bles. Ne ver remove them and n e ver
disconnect them from the high-voltage electrical system.
Never open or remove the orange-colored cover on the high-voltage batter y.
Always have work on the hybrid electrical system and s ys t ems th at could b e i ndi rec tly
affected by it done by qualified, t r ained t echnicians who have the know-how , experience,
documentation, and tools to do the work safely.
All work on the high-voltage ele ct rical system and the high-voltage battery must be done
in compliance with Volkswagen standards and guidelines.
Vehicle keys must be safely stored a safe distance from vehicle so that the ignition cannot
be switched on and energize the electrical system.
Gases vented or released from the high -voltage battery vapors are potentially poisonous
and can burn.
Physical damage to the vehicle or the high-voltage batter y can resu lt in immedia te or
delayed release of poisonous gases that can also cause a fire.
Always avoid contact with leaking fluids and gas e s es cap i ng fr o m the ba ttery, particularly
one that has been damaged.
Always tell emergency responders that the vehi cle has a high-voltage bat te ry.
WARNING
.
Driver distraction causes accidents and serious personal inj ury. Using the instrument cluster
or accessing Infotainment System menus while driving can take your attention off the road
and cause accidents.
To help reduce the risk of accidents and injuries, never change settings in the instrument
cluster display or use Infotainment System functions unless the vehicle is standing still.
WARNING
.
When powered by the electric motor, th e vehicle makes much less noise, both when idling
and driving, than when it is running on the interna l combustion engine. It is much harder or
even impossible for the drivers of other vehicles and above all for cyclists, pedestrians, and
children to hear the vehicle when it is running on electrical power.
Pedestrians and others can be struck and ser i ously injured because they cannot hear the
vehicle and tell that it is getting close to them, for instance when you are parking, backing
up, or driving in a low-speed zone where there is likely to be pedestrian traffic.
Always watch out for pedestrians, especially small children, cyclists, and others who may
not hear the vehicle or realize th at it i s abou t to move or will cross their path of travel .
Always be especially CAReful in residential areas, school zones, and other places where
the speed of motor vehicles is restricted and pedestrians may be at greater ri sk,
Make sure the ignition and the hybrid drive system have both been turned off before
leaving the vehicle.
WARNING
.
Never leave the vehicle when hybrid drive system indicator lights are still lit. The vehicle can
move if the accelerator is depressed even though the combustion engine has been stopped.
This can cause accidents and severe or lethal injuries.
Make sure the transmission is in Park (P) before you get out of the vehicle.
WARNING
.
Never support the vehicle with cinder blocks, bricks, or other objects to inspect it. The
vehicle could slip or move suddenly and cause an accident with serious personal injury.
WARNING
.
Never let the hybrid battery get wet. Liquids and other fluids can cause short circuits,
electrical shock, burns, and explosions.
Never CARry large amounts of liquids or other fluids in the luggage compartment.
Always make sure that any containers with liquids and other fluids are properly secured
and tightly closed to prevent leakage during normal driving as well as hard cornering,
braking, and other vehicle maneuvers. Leaking liquids can get into the cover of the high voltage battery and the high-volt a ge cable connections. This can damage th e electr ic al
system and the high-voltage batter y.
Never drive until the fuel tank is completely empty. There may not always be enough charge in
.
the high-voltage battery to get to the next gas station.
Warning and indicator lights
Please first read and note the introductory infor mation and heed the WARNINGS
Warning messages
When the ignition is switched on, several warning and indicator lights come on briefly for a function
check. They go out after a few seconds.
Warning lights and text messages are shown in the instrum e nt cluster display. Acoustic warnings may
also sound at the same time.
Lights up
Warnings in the instrument
cluster display
Proper response
∋
∋
∋
Fault in the hybrid system: stop
the vehicle at a safe location!
Fault Hybrid system: Workshop!
High-voltage battery is being
E-MODE currently not available.
Vehicle can still be driven.
Electric driving is currently not
possible.
Request to start the engine.
Stop the vehicle in a safe place as soon as it is safe
to do so.
See an authorized Volkswagen dealer or an
authorized Volkswagen Service Facility.
While this message appears, do not stop the engine.
Never leave the vehicle parked in the ready position.
Remove the remote control vehicle key out of the
ignition or for vehicle with Keyless Access press the
starter button When leaving the vehicle always take
the remote control vehicle key with you .
Check to see if the requirements for extended
electro-mode drive are met .
Never leave the vehicle parked in the ready position.
Remove the remote control vehicle key out of the
ignition or for vehicle with Keyless Access press the
starter button.
Start the engine with the ignition switch or starter
button.
Warning when leaving the vehicle
Switch off the ignition before leaving the vehicle unattended In certain situations , a me ssage appears
in the instrument cluster display as you are leaving the vehicle. This message warns you that the
vehicle's electric drive is still enabled and that the combustion engine might start automatically.
Always switch the engine off, remove the key, and take it with you when leaving the vehicle ⇒
The warning when leaving the vehicle appears if:
The ignition is switched ON.
AND: Electrical drive is functional (READY active).
AND: The combustion engine is OFF.
AND: The driver safety belt is not fastened. OR: The driver door is open.
WARNING
.
A parked vehicle that is not proper ly par ke d can r oll away and cause accidents or severe
injuries. When leaving the vehicle, always move the selector le ver into Park (P) and engage
the electronic parking brake.
.
WARNING
.
Failure to heed warning lights and instrument cluster text messages can cause the vehicle to
break down in traffic and result in a collision and serious personal injury.
Never ignore warning lights or tex t WARNINGS.
Always stop the vehicle as soon as it is safe to do so.
NOTICE
.
Failure to heed warning lights or text WARNINGS can result in vehic l e damage.
Overview of special driving tips
Please first read and note the introductory information and heed the WARNINGS .
.
This short overview cannot replace the detailed description in this entir e chapte r, espe cially not the
warnings or safety instructions.
Driving
situations
Requirements and conditionsVehicle behavior
Electrical
driving.
Constant driving
and
gliding without
engine on (sail).
Full acceleration
(Boost).
Braking energy
regeneration
(Recuperation).
- Selector lever in position (D).
- Foot brake released.
– Accelerator is slightly depressed.
- Thinking ahead when driving, with
CAReful acceleration.
- Reducing speed early or
completely in ca s e of obstacles or
speed limits.
- Selector lever in position (D).
Kick-down mechanism of
accelerator activated.
- Selector lever in position (S) or
Tiptronic:
accelerator is depressed to 80%.
- Early and even braking with short
brake pedal travel.
If all operative requirements of the Hybrid
system are fulfilled, the vehicle starts
electrically The combustion engine is
switched on only at higher speeds.
The kinetic energy of the vehicle is used
optimally for its motion ahead. No energy is
lost through excessive acceleration or
braking.
By easing off the accelerator completely,
the combustion engine is automatically
switched off and disconnected. The vehicle
glides without engine power.
The electric motor assists the combustion
engine in acceleration. The maximum
overall output is used briefly .
The vehicle is braked by the electric motor.
Most of the kinetic energy is then won back
and can be stored in the form of electrical
energy in the high-voltage battery .
Driving in city
traffic.
- Selection of a moderate speed.
– Avoid full acceleration.
Driving in fully electric mode at this level is
possible only with a speed of up to
approximately 50 km/h (31 mph) .
The fuel consumption is reduced with
moderate acceleration due to higher
efficiency of the combustion engine and
driving in fully electric mode is possible.
Driving
situations
Requirements and conditionsVehicle behavior
The high-voltage battery discharges quickly
– CAReful use of E-MODE button
⇒ fig. 251.
with the E-MODE button switched on. This
can increase fuel consumption since driving
in electric mode is preferred in this case,
even though the combustion engine would
be more efficient.
Driving on
country roads
and highways.
Driving in cold
months.
– Conscious easing off of the
accelerator, to enable longer sailing
distance.
- Reducing speed by easing off the
accelerator early and not by
braking.
- Avoid speeds of over about 160
km/h (99 mph).
- CAReful selection of gear (S).
- Do not warm up the combustion
engine by running it with the
vehicle stationary.
– CAReful use of heating for
windshield and the rear window,
outside mirror, seat and steering
wheel.
- Never leave the vehicle in a
garage over night.
By easing off the accelerator, the
combustion engine is automatically
switched off and de-clutched. The vehicle
glides without engine power.
Sailing possible. Reduction of speed this
way is more fuel-efficient than through
braking.
Efficient sailing is possible with a speed of
about 160 km/h (99 mph) .
Sporty driving style with activated sport
programme increases fuel consumption.
Efficient sailing in sport programme with
combustion engine automatically switched
off is possible with a speed of about 70
km/h (43 mph).
The temperature of the combustion engine
increases very slowly, but fuel consumption
increases considerably.
This prevents energy from being lost and
saves energy for the electric motor.
This prevents the high-voltage battery and
the vehicle interior from cooling down too
much. The optimal temperature of the highvoltage battery is reached quicker at the
beginning of the journey and the
combustion engine can be switched off
quicker when the vehicle interior is
sufficiently heated.
Hybrid functions and modes
Fig. 251 In the lower front center console: E-MODE button for ex ten ded el ectro -mode drive.
Fig. 252 Hybrid menu: In the MFI display: Current electric power level.
Please first read and note the introductory information and heed the WARNINGS .
.
The functions and operating modes desc ri be d below a re c ont rolled automatically by the vehicle
management system depending on how the vehicle is being driven. This helps to ensure that the
vehicle operates in the best mode at all times. Ext ended el ectr o -mo de d rive (E -Mo de ) is a n exce ption,
however. The driver must manually select this mode .
Combustion engine drive
In this mode, the vehicle is powered by the combustion engine. The electric motor acts as an
alternator and recharges the vehicle's 12 Volt power system. It also recharges the high-voltage battery
at the same time.
Full-acceleration (Boost)
For full acceleration, the vehicle is powered by the combustion engine and the electric motor. This
Boost mode is available only for a short period because it uses a lot of the battery's charge.
Boost mode is activated by:
Kick-down when the transmission is in Drive (D).
OR: Fully depressed accelerator when the transmission is in Sport Drive (S).
OR: Fully depressed accelerator when the transmission is in Tiptronic mode.
Electrical motor drive
The vehicle can be powered by the electrical mot or at low t o mode rate speeds, provided the highvoltage battery charge is adequate and wind resistan ce is not t oo strong. The combustion engine is
switched of in this mode. Gentle start-ups (getting the vehicle going) and parking are also phases the
electrical motor can often handle alone.
The combustion engine is started if yo u ac cel erate faster or if the charge level of the high-voltage
battery gets too low. As soon as allowed by your acceleration and the high-voltage battery charge
level, the vehicle switches back to electri cal mot or dri ve.
Use the following indicators to tell when the vehicle is being powered electrically:
Tachometer for the combustion engine shows zero engine revolutions.
Instrument cluster display.
Infotainment System screen.
Extended electro-mode drive (E-Mode)
By pressing the E-MODE button ⇒ fig. 251, the driver can extend the normal limits of electrical motor
drive so that the electric motor powers the vehicle whenever possible (given the battery charge level
and the way you are driving). In this mode, the vehicle is propelled by the electric motor as much as
possible.
Extended electro-mode drive can be activated only if all of the following conditions apply:
The high-voltage battery must have an adequate charge.
The driver must accelerate gently.
The speed must be low.
If extended electro-mode drive is not possible, a message appears in the instrument cluster display.
Die activation of the extended electro-mode drive will be indi cated by the symbol
in the
instrument cluster display ⇒ table .
The combustion engine starts and interrupts extended electro-mode drive if the first 2 conditions
change. Then the color of the symbol
resumes automatically as soon as all conditions listed above apply again and the symbol
changes from green to grey. Exte nd ed el e ctro-mode dr i ve
changes
to green.
Extended electro-mode drive is deactivated if any of the following conditions apply:
Ignition is switched off.
button is pushed a second time.
Transmission is in Sport Drive (S).
Transmission is in Tiptronic mode.
Speed is greater than about 43 mph (70 km/h).
To reactivate, press the
button again.
Electric power level display (E-Powermeter)
The electric power level is shown in the MFI display ⇒ fig. 252 (arrow). When the power level display
reaches its maximum, the vehicle automatically switches to the combustion engine. By accelerating
gently it is possible to drive the vehicle using electric energy only.
The power level display is activated during electric drive and at full acceleration (Boost). When the
vehicle is fully accelerated, the display is constantly in the maximum area.
The power level display only appears when the vehicle is being driven with the electric motor.
In all other driving modes, the power level display is deactivated so that the bar is not shown.
Start-Stop mode
The combustion engine is operated only as neede d. When the vehicle is stopped the combustion
engine is normally off. The vehicle electrical systems are supplied with power from the high-voltage
battery. The instrument cluster tacho mete r will show zero engine speed (zero engine revolutions).
This dependant on vehicle conditions feature of the hybrid drive system is normal and is designed to
save fuel. The power steering and the braking assistance systems rema in activ e. In cert ain situations
it may be necessary for the system to start the combustion engine even when the vehicle is not
moving. With prolonged driving in traffic jams, the combustion engine will be switched on and off to
charge the high-voltage battery for the following st art -stop phase.
Sailing
If the accelerator is not depressed and the lever is in position (D), the combustion engine is switched
off even with high speeds. The vehicle then decelerates slower than conventional vehicles, which
could be used for reducing fuel consumption with a foresighted driving style. Even in this case, the rev
counter in the instrument cluster displays z ero en gin e spee d (0 engin e rev olution s).
Brake energy regeneration (Recuperation/charge)
When the vehicle brakes, the electrical energ y is generated by the electric motor, which works as an
alternator and charges the high-voltage batte ry. The same thing occurs while the vehicle is coasting to
a stop or driving downhill.
Energy regeneration is shown in the instrument cluster display or on the Infotainment System screen.
The combustion engine may be switched off automatically in this situation. The instrument cluster
tachometer will show zero engine speed (zero engine revolutions).
Automatic starting - combustion engine
The combustion engine is started automatically in a number of situations.
Engine temperature is too low.
Catalytic converter temperature is too low.
High-voltage battery being charged at high rate whe n de cel e rati n g. Th e hi gh-v oltag e b att ery
cannot absorb any more energy and for this reason the electric motor cannot brake the vehicle. The
combustion engine comes on to help slow the vehicle down (engine brake).
Engine hood is open.
Leaving the vehicle when the electric motor is still “live”. The status of the electric motor is not
always obvious, particularly when the combustion en gine is not running. The combustion engine will
therefore start if the driver's safety belt is unlatched or the driver's door is opened when the
transmission is in Park (P) or Neutral (N) .
Please first read and note the introductory information and heed the WARNINGS .
.
Hybrid drive energy flow is shown with symbols and arrows in the instrument cluster display (MFI) and
on the Infotainment System screen.
Explanation of the symbols that appea r in the ener gy flow display when the vehicle is not moving
⇒ fig. 253:
(1)Symbol for combustion engine in instrument cluster display
(2)Symbol for vehicle drive in instrument cluster display
(3)Symbol for high-voltage battery in instrument cluster display
(4)Symbol for combustion engine on the Infotainment System screen.
(5)Symbol for electric motor on the Infotainment System screen.
(6)Symbol for high-voltage battery on the Infotainment System screen.
(7)Symbol for vehicle drive on the Infotainment System screen.
Color codes
Color Infotainment System screen
Orange Energy flow from combustion engi n e (combustion engine drive).
Blue Energy flow from the high-voltage batter y (electrical motor drive).
Energy flow to the high-voltage battery (battery charge).
GreenEnergy regeneration through deceleration or braking (recuperation).
High-voltage battery
Fig. 255 Location of the high-voltage battery: under the luggage compartment floor.
Fig. 256 Air ventilation for the high-voltage battery under the rear seat bench.
Please first read and note the introductory information and heed the WARNINGS .
.
The high-voltage battery is under the luggage compartm ent fl oor ⇒ fig. 255.
Cooling the high-voltage battery
There are ventilation slots under the rear seat bench t hat pro vi de the hi gh -v olt ag e batt e r y with cool
air. The ventilation area under the rear seat bench ⇒ fig. 256 must not be blocked or covered ⇒
.
Maintenance of the high-voltage battery
Other than taking the vehicle in for scheduled maintenance to an authorized Volkswagen dealer or an
authorized Volkswagen Service Facility that is qualified to do work on hyb ri d vehi cles, there is nothing
that the vehicle driver has to do to maintain the high-voltage battery.
The maintenance connection for the high-voltage battery is under the luggage compartment floor
under an orange cover. This connection is only for scheduled maintenance, which must be performed
only by specially trained service technicians. There is no need to remove the connector at any time
when the vehicle is being used ⇒
WARNING
.
The high-voltage hybrid electrical system i s dange r o us and c an ca u se burns, other serious
personal injuries, electrocution and death.
Never open, service, repair, or disconnect the high- volta ge h ybr id b at tery.
Never touch or let jewelry or other metal objects contact high-voltage cables or the high-
voltage battery and battery poles, especi al ly if the cables, battery, or battery poles have been
damaged in a crash or in some other way.
Always have work on the hybrid electrical system and on systems that could be indirectly
affected by it done by qualified, trained technicians, who have the know-how, experience,
documentation, and tools to do the work safely.
.
WARNING
.
Failure to heed warning lights and instrument cluster text messages can cause the vehicle to
break down in traffic and result in a collision and serious personal injury.
Never ignore warning lights or tex t WARNINGS.
Always stop the vehicle as soon as it is safe to do so.
NOTICE
.
Failure to heed warning lights or text WARNINGS can res ult in vehicle damage.
If the 12 Volt battery is disconnected or dead or has been replaced, there is a possibility
that the combustion engine will not automatically switch off when the vehicle is powered by
the electric motor. If this situation persists for several days, t ak e the vehi cle to an a uth orized
Volkswagen dealer or an authorized Volkswagen Service Facility that is qualified to do work on
hybrid vehicles.
Never transport water or oth er liquids or fluids in open containers, such as an aquarium. If
liquid is spilled in the luggage compar tment, this can cause short circuits or damage the highvoltage battery.
NOTICE
.
Never block or cover the cooling air vents for the high-voltage hybrid battery under the rear
seat. Blocking or covering these vents can damage the hig h- voltage battery.
NOTICE
.
If the vehicle is not used for a longer period, the high-voltage battery will run down. To keep
the high-voltage battery in good condition, the vehicle needs to be driven at least every 2
months for at least 30 minutes or 15 miles (20 km).
If the high-voltage battery is dead, the gasoline engine will not start. Contact an authorized
Volkswagen dealer, an authorized Volkswagen Ser vice Facility, or another qualified workshop
for assistance.
Special considerations for hyb rid vehicles
Fig. 257 Warning label on high-voltage hybrid components (A). Warning label on covers which are over high-
voltage hybrid component s (B).
Fig. 258 In the engine compartment: Coolant expansion tank, low temperature cooling circuit.
Please first read and note the introductory information and heed the WARNINGS .
.
Hybrid vehicles are different from vehicles that have onl y a gasol ine en gine. Besides the functions and
equipment already described, they differ from non-hy brid ve hicles in other ways as well.
Noises in hybrid vehicles
When the combustion engine is not running, you may hear sounds that you do not notice when the
engine is running, but would not hear when the gasoline engine in a conventional vehicle was running.
These sounds are normal. If you have any doubts, please contact an authorized Volkswagen dealer or
an authorized Volkswagen Service Facility that is qualified to do work on hybrid vehicles.
Checking coolant level and refilling coolant
Hybrid vehicles have 2 engine coolant expansion tanks. In addition to the readily visible expansion
tank for the high-temperature coolant circuit at the back of the engine compartment on the right, there
is a second expansion tank for the low-temperat ur e c o olant circuit at the front right under a cover
.
⇒
This cover (1) and (2) must be pulled off to check and correct the coolant level For proced ure for
checking coolant level and adding coolant .
Removing the engine compartment cover requires a certain degre e of skil l. If you have any do ubt s at
all, Volkswagen recommends having the cover removed by an authorized Volkswagen dealer or an
authorized Volkswagen Service Facility.
Jump-starting
If the 12 Volt electrical system is not working because the 12 Volt vehicle batt ery is dea d, the hyb ri d
vehicle can be started with the high-voltage hybrid battery if its charge is adequate. For this purpose,
the vehicle has jump start terminals in the engine compartment. You must open th e opening for jump
starting. ⇒ fig. 259(5) in the cover ⇒ fig. 259(3) to get to the jump-start terminals in the engine
compartment .
Hybrid warning labels
There are additional warning labels that warns against touching hybrid system components. The
warning labels are placed:
on each high-voltage component for example in the engine compartment or underneath the
luggage compartment ⇒ fig. 257A.
in the engine compartment on the hood latch CARrier B.
For procedures regarding sticke rs and la bel s .
NOTICE
.
When refilling operating fluids, make sure not to confuse them. Otherwise serious
malfunctions and engine damage can occur!
Removing and installing engine compartment cover
Fig. 259 Engine hood open: Engine compart ment co v er.
Please first read and note the introductory information and heed the WARNINGS .
.
If the engine compartment cover has to be removed and replaced, read and heed the information on
working in the engine compartment before beginning .
Removing the engine compartment cover requires a certain degre e of skil l. If you have any do ubt s at
all, Volkswagen recommends having the cover removed by an authorized Volkswagen dealer or an
authorized Volkswagen Service Facility.
Explanation of fig. 259:
(1) Center cover.
(2) Right cover.
(3) Left cover.
(4) Retainers.
(5) Opening for jump starting.
(6)Warning label for high-voltage hybrid components.
(7) Engine compartment seal.
Engine compartment covers (1) and (3) must be removed in the following situations:
Changing light bulbs in the left headlight assem bly.
Engine compartment covers (1) and (2) must be removed in the following situations:
Changing light bulbs in the right headlight assembly.
Adding engine coolant to the low temperature coolant circuit .
Removing engine compartment cover
When removing any part of the engine compartment cover, always pull CARefully on the relevant
attachment points ⇒
Open the engine hood.
Pull off cover (1) in the direction of the arrows. Push e ngi ne compartment seal (7) slightly to the
side while doing this.
Pull right cover (2) up and off. Push engine compartment seal (7) slightly to the side while doing
this.
Pull left cover (3) up and off. Push engine compartment seal (7) slightly to the side while doing this.
.
Installing the engine compartment cover
CARefully push down on all parts of the engine compartment cover near each attachment points
. Before installing, make certain that the rubber spac er s in the retainers (4) are correctly placed.
⇒
Push right cover (2) under the engine compartment seal (7) and push it into the retainers (4) until it
locks into place.
Push left cover (3) under the engine compartment seal (7) and push it into the retainers (4) until it
locks into place.
Insert center cover (1) into the openings in the direction opposite to the arrows, push it underneath
the engine compartment seal (7) until it locks into place.
Close the engine hood
NOTICE
.
To avoid damaging the engine compartment cover and the engine compartment seal, be
CAReful when removing and installing the various parts.
Do not yank parts off when removing or bend them.
Apply only light pressure to the attachment poi nt s to ge t t he p arts to lock into place.
.
ß
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