OrderNo. W 426022721 (english)
OrderNo. W 42602272101 (trench)
Your car may have all or some of the components described in this manual. Should you find explanations of
a feature or equipment not installed in your car, your
Porsche dealer will be glad to assist you. Also check
with your dealer on other available options or equipment.
Text, illustrations and specifications in this manual are
based on the information available at the time of printing.
It has always been Porsche's policy to continuously
make technical improvements at any time during the
model year and specifications are subject to change
without notice.
2.5 Μ 8/81
Edition 1982
Judging by the car you have chosen,
you are a motorist of a special breed,
and you are probably no novice
when it comes to automobiles.
Your Owner's Manual contains a
host of useful information. Please
read this manual before you drive
your new Porsche. Acquaint yourself with your car's features and
know how to operate your Porsche
more safely. The better you know
your Porsche, the more pleasure
you will experience driving your new
car.
The Warranty & Maintenance booklet also contains detailed information
about the warranties covering your
Porsche. These warranties are:
"Warranty for new Porsche vehicles", "Warranty against corrosion for new Porsche vehicles",
"Warranty for new Porsche vehicle
emission control system", "Emissions performance warranty" (USA
only), and "California emission control system warranty" (California
USA only).
Always carry your Warranty & Main-tenance booklet with you when you
take your Porsche to an authorized
dealer for service. It provides your
Service Adviser with the information
he needs and enables him to record
each service.
The Owner's Manual and the War-
ranty & Maintenance record belong with the car. They should be
left in the vehicle when sold, to make
all operating, safety and mainten-
ance service information available
to the new owner. If you bought this
car as a used car, be sure to send in
a NOTICE OF USED CAR PURCHASE post card. This card can be
found in the Warranty & Mainte-
nance booklet or obtained from your
Porsche dealer.
For your own protection and longer service life of your car, please
heed all operating instructions and
special cautions. Ignoring them
could result in serious mechanical
failure or even physical injury.
We wish you many miles of safe and
pleasurable driving in your
Index
A
Acceleration kickdown 47
Accelerator pedal 47
Adjusting headlights 79
Air compressor 6869
Air conditioning 3538
Air cleaner , 65
Alternator warning light 2829
Antifreeze 49,60,90
Antitheft alarm 10
Ashtray/light 39.78
Automatic garage door 23
Automatic speed control 32
Automatic transmission 4547
Automatic transmission fluid (ATF) 59
Capacities 90
Car care instructions 5153
Catalytic converter 63,83
Cautions 55
Center console 22,40,41
Central door locking 11
Central warning light system 34
Changing a wheel 7071
Cigarette lighter 39
Cleaning 5153
Clutch 21
Collapsible spare tire 6869
Coolant temperature gauge 27
Cooling system 6061
Corrosion prevention 49
Location of Vehicle Identification
Number, Paint and Engine Number
When ordering spare parts or submitting
inquiries, always quote vehicle identification and engine number to ensure
correct and prompt service.
Vehicle identification number
In accordance with Federal Safety Regulations, the vehicle identification number of
your car is located on the left windshield
post and can be seen from the outside.
6
Engine number
The engine number ist stamped on the front
reinforcing rib in the top half of the crankcase.
Paint number
The paint number is on the doorjamb on the
driver's side.
Dear Porsche Owner
A lot has gone into the manufacture of your
Porsche, including advanced engineering
techniques, rigid quality control and de-
manding inspections. These engineering
and safety features will be enhanced by
you...
the safe driver...
who knows his car and all controls,
who maintains his vehicle properly,
who uses his driving skills wisely.
Safety Compliance Sticker
The Safety Compliance Sticker is your assurance that your Porsche complies with all
Federal Motor Vehicle Safety Standards
which were in effect at the time the vehicle
was manufactured. It is located on the doorsill on the driver's side.
The sticker also shows the month and year
of production and the vehicle identification
number of your car (perforations) as well as
the Gross Vehicle Weight Rating and the
Gross Axle Weight Rating.
Vehicle Identification Label
The vehicle identification label is located underneath the luggage compartment floor cover, next to the spare wheel well.
The label contains the following information:
1. Vehicle Identification Number
2. Vehicle Code
3. Engine Number
4. Paint and Interior Code
5. Option Codes
A duplicate of the label is in your Warranty and
Maintenance brochure.
You will find helpful hints in this manual on
how to perform most of the checks listed on
the following page. If in doubt, have these
checks performed by your Porsche dealer.
7
Before going on a trip... In the drivers seat... On the highway...
1 - Be sure tires are inflated correctly.Look
for bruises and tire wear.
2- See that wheel bolts or nuts are not
loose or missing.
3- Check engine oil level, add if neces-
sary. Make it a habit to have engine oil
checked with every second fuel filling.
4 - Check coolant level to assure sufficient
engine cooling.
5 - Be sure you have a well charged bat-
tery. Each cell should be filled to level
with distilled water.
6- Check brake fluid level. If too low, have
brake system checked.
7 - Replenish windshield washer fluid.
8 - Replace worn or cracked wiper blades.
9 - See that all windows are clear and un-
obstructed.
10 - Check whether headlight and tail light
lenses are clean.
11 - Check under car for leaks.
12 - Be sure all lights are working and head-
lights are aimed correctly.
1 - Depress plate in center of steering wheel
to check whether horn is working.
2 - Position seat for easy reach of controls.
3 - Adjust inside and outside rear view mir-
rors.
4 - Use safety belts.
5-Check operation of foot and parking
brakes.
6-Check all warning and indicator lights
when starting the engine.
7 - Do not leave car idling unattended.
8- Lock doors from inside, especially with
children in the car.
Have the engine oil, the coolant level and the
oil level of the automatic transmission
checked regularly, even inbetween the recommended maintenance intervals.
1-Always drive defensively. Expect the
unexpected.
2- Use signals to indicate turns and lane
changes.
3 - Turn on headlights at dusk.
4-Always keep a safe distance from the
car in front of you, depending on traffic,
road and weather conditions.
5-Reduce speed during night hours and
inclement weather.
6 - Observe speed limits and obey highway
signs.
7 - When tired, get off the highway, stop and
take a rest. Turn the engine off. Do not
sit in the car with engine idling. See
warning on Engine Exhaust.
8 - When stopped or parked, always set the
parking brake.
9 - When stalled or stopped for repairs,
move the car well off the road. Set the
emergency flasher and use road flares
or other warning devices to warn other
motorists.
Turn the engine off before you attempt
any checks or repairs on the car.
8
Do not invite car theft!
An unlocked car with the key in the ignition
switch invites car theft.
A steering wheel lock and a buzzer alarm
are standard equipment in your Porsche.
The buzzer will sound if you open the driver's
door while the key is still in the ignition lock.
This is your reminder to remove the key from
the ignition and lock the doors.
Do not remove the key from the steering
lock while you are driving or as the car is
rolling to a stop. The steering column is lock-
ed when you remove the key, and you will
not be able to steer the car.
The new format of the master and auxiliary
keys makes unauthorized duplication of the
keys virtually impossible. This means, however, that you yourself will not be able to get
replacement keys cut, unless ordered from
the manufacturer.
Should you need new keys, you must give
the key number. This number is noted on the
plastic tag on the keys. Keep this tag in a
safe place - not in the vehicle.
a Master key
b Auxiliary key
Keys
Your Porsche comes with two each of the
following keys:
a - master key for ignition lock, door locks,
luggage compartment lock and glove
compartment lock.
b - auxiliary key for ignition lock, door locks
and luggage compartment lock
Key light
The master key has a built-in flashlight in the
key head. The beam from a small bulb in the
key head illuminates the lower part of the key
stem.
The flashlight is on as long as the contact
button is depressed.
The flashlight is powered by a 1.5 Volt button
battery. When the beam begins to fade, replace the battery, because an old battery
may leak and damage your clothes.
9
Anti-theft alarm
(optional equipment)
Locks Key functions
Doors Activate alarm by locking with S-key.
Deactivate alarm by unlocking with S-key.
Auxiliary key- lock or unlock when alarm not required (see "Central
door locking system").
Luggage compartment Activate alarm by closing rear lid, then turn S-key counter-clockwise.
Deactivate alarm by unlocking rear lid with S-key.
Auxiliary key - lock or unlock when alarm not required.
Ignition/steering Lockable with either key.
Glove compartment Lockable with S-key only.
Fuel filler cap Lockable with auxiliary key only.
If your Porsche is equipped with an anti-theft
alarm system, you will be given a duplicate
set of the master S-key illustrated above, instead of the "regular" master key. The alarm
system can only be activated or deactivated
with the S-key.
Functions for both S-key and auxiliary key are
described above, as they pertain to individual
locking operations.
10
Attempting to open the doors, the rear lid or
the engine hood by any other means when
the alarm system is activated, will produce an
intermittent high noise for about 30 seconds.
The engine cannot be started while the
alarm system is activated.
Keep the S-key in your personal possession
at all times. Leave the auxiliary key only with
an attendant when the car is being serviced.
Keep plastic tag with key number in a safe
place. Do not leave it in the vehicle.
Central door locking system
The central door locking system enables
you to lock or unlock both doors simultaneously by operating one door lock.
The central door locking system functions
only when both doors are fully closed. If one
door is „centrally" locked before the other
door is fully closed, the „centrally" locked
door will unlock automatically.
The car is safely locked when locking knob
„A" is fully down on both doors. If locking
knob „A" is not fully down on one door, open
that door again, close it firmly and repeat the
locking operation.
On a centrally locked vehicle, the passenger
door can also be unlocked and locked from
inside by turning locking knob „B". Locking
knob „B" is operational only with door fully
closed.
With the ignition key in Pos. ,,1" or „2" the
electric circuit of the door locking mechanism
is interrupted, so that each door can be unlocked or locked from the inside only by
manually raising or depressing locking knob
„A". This safety feature prevents the doors
from being locked automatically through a
short circuit or during an accident.
With the ignition key in Pos. „0" the central
locking system and locking knob „B" are
operational.
Doors
To open doors from outside, pull the re-
cessed door handle.
To open doors from inside, pull recessed
handle ,,C" above armrest.
The armrests have a built-in storage comp-
artment. To open, press knob in hand cutout
and tilt armrest outward. To close, tilt compartment toward door panel.
Door windows
To open or close, depress the rocker swit-
ches in the center console in front of the
shift lever.
Caution: Remove the ignition key to shut
off power to the window switches when
the vehicle is not attended by a respon-
sible person.
The courtesy light in the lower door panel
„D" will come on when a door or the hatchback is opened. The light can also be turned
on or off with the switch on the light housing.
Always drive with locked doors to prevent
inadvertent opening of a door from the inside, especially with small children in the
car.
11
Interior lights
Dome lights
The dome lights have a built in rocker switch
which is operated by tilting the lamp lens as Switch positions for the lower door panel lights The luggage compartment light is located on
follows: are as follows: the hatchback. The three switch positions are:
a - light on continuously a - light on with front doors or hatchback open a - light on with front doors or hatchback open
b - light off b - light off b - light off
c - light on with front doors or hatchback open. c - light on continuously. c - light on continuously.
12
Door courtesy lights
Luggage compartment light
Door warning lights
The red spot lights in the rear doorjambs will
come on when a door or the rear lid is opened.
13
Front seats
Backrest adjustment
Correct seat positioning is important for safe
and comfortable driving. Therefore, the seat
and the backrest angles in your Porsche are
fully adjustable.
Seat adjustment
To move the seat forward or backward, pull
the locking lever at the front of the seat up.
Now slide the seat to the desired position.
Let the lever go, and move the seat slightly
back and forth to make sure it is securely
engaged.
14
Do not attempt to adjust the driver's seat
while driving! The seat may suddenly jerk
forward or backward causing loss of control.
Backrest release
The backrest can be folded forward for easy
access to the rear seats. To release, press
the locking button on the side of the backrest (arrow) and, at the same time, tilt the
backrest forward. When the backrest is tilted
back, the lock will engage automatically.
Turn handwheel on the outboard side of the
seat (arrows), with your body weight taken
off the seatback.
Front passengers should not ride in a
moving car with the seatback reclined.
Safety belts offer maximum protection
only with the seatback in an upright position.
For maximum legroom and unobstructed view
of the instruments, the height of the steering
wheel, together with the instrument cluster unit,
can be adjusted.
Steering wheel adjustment
Rear seats - luggage compartment
The backrests of the rear seats can be tilted
forward to provide additional luggage space.
Unsnap the luggage compartment cover
from the upright rear seat backrests and the
rear cross wall.
Release locking lever under instrument cluster
for desired positioning (arrow), then lock se-
curely.
To release backrest, pull the lever on side of
the backrest up and, at the same time, tilt
the backrest forward.
15
a backward/forward
b height
c backrest angle
Electric seats
The rocker switches for a smooth three-way
seat adjustment are located at the outboard
side of the seat.
16
Note:
Before operating the switches, tilt the safety
belt buckle at inboard side of seat out of the
way to prevent the buckle from getting
squeezed in-between seat cushion and backrest, which could damage both buckle and
seat Cover.
Manual operation
If the electric mechanism fails, the seat can
be moved forward or backward by pushing
the locking lever under the front of the seat
toward outboard side of seat. Slide the seat
to the desired position and let the lever go.
Move the seat slightly back and forth to make
sure it is securely engaged.
Rear view mirrors
Adjust the outside and inside mirrors before driving off. It is important for safe
driving that you have good vision to the
rear.
Inside day-night mirror
You can adjust the day-night mirror from
clear daylight visibility to non-glare visibility
at night, by moving the lever at the bottom
of the mirror up or down (arrows).
We recommend you do not put decals or
other signs on the windows of your car
that may interfere with the driver's vision.
Heated outside mirrors
with remote control
When the rear window defogger/defroster is
switched on, the outside mirrors are also heated electrically. The outside mirrors can be
adjusted from the inside by remote control
when the ignition is turned on. The control
switch is located next to the side window
vents in the armrest.
The electrically heated outside mirror for the
passenger side can be adjusted with the same
control switch, by pressing the rocker switch
beside the adjuster switch into the appropriate
position.
If necessary, the outside mirrors can also be
adjusted manually.
17
Inertia Real Safety Belt
For your and your passenger's protec-
tion, wear safety belts at all times while
the car is in motion.
Your Porsche is equipped with a safety belt
for each front and rear seat.
The inertia real safety belt provides safety
with freedom of movement. It adjusts auto-
matically to your size and movements as
long as the pull on the belt is slow. A sudden
motion locks the belt.
Rapid deceleration during hard braking or a
collision locks the belt. The belt will also lock
when you drive up or down a steep hill or in a
sharp curve.
To release a locked belt, lean back to take
the body pressure off the belt.
A shoulder belt should not be worn by a
person less than 4' 11"/1.50 m in height,
or with an erect seating height of less
than 2' 5"/74 cm, because the belt would
not be in its most protective position and
may therefore increase the possibility of
injury in a collision.
For maximum safety and protection, we
recommend that small children travel in
the rear seats.
When driving in foreign countries, the wearing of safety belts may be required by law.
Safety belt warning system
An audio-visual warning system is intercon-
nected with the driver's safety belt.
When the ignition is turned on, the warning
light in the center console and the buzzer
will come on for about 6 seconds. The buzzer
will go off as soon as the driver has buckled
up. The warning light will go off after 6 seconds.
Fastening the belt
Sit back in your seat so that your body is
supported by the backrest. Grasp the belt
tongue and pull the belt in a slow continuous
motion across your chest and lap. Insert the
belt tongue into the belt buckle on the inboard
side of the seat. Push down until securely
locked with an audible click.
Be sure the belts are not twisted. Keep belt
buckles free of obstruction that may pre-
vent secure locking.
18
Adjusting the belt
For best protection, belts should fit snugly
across lap and chest. If belt has too much
slack, pull shoulder section in direction of
arrow to make sure the belt is drawn snug
around your hips.
Make sure the shoulder belt does not press
against solid or fragile items, such as ball
point pens, pipe, lighter or glasses.
Do not wear the belts loosely.
Do not strap in more than one person with
each belt.
Releasing the belt
To unfasten belt, push the red release but-
ton marked PRESS. Belt tongue will spring
out of buckle.
To store lap/shoulder belt, allow belt to wind
up on retractor as you guide belt tongue to
its stowed position on door post. Mark section across your lap with moveable stop to
keep belt tongue from sliding down when
belt is wound up.
The belt of the unoccupied passenger seat
should always be fully wound up, with belt
tongue in stowed position. This reduces the
possibility of the belt tongue becoming a
striking object in case of a sudden stop.
Belt care
Keep belts fully wound up when not in use. In
properly stowed position, belts are protected
from dirt and damage.
Check belts and mechanisms regularly. If
belts do not work properly, see your Porsche
dealer to have them repaired or replaced. Do
not modify or disassemble the safety belts.
If belts show damage to webbing, bindings,
buckles or retractors, they should be replaced.
Belts that have been subjected to excessive
stretch forces in an accident must be replaced.
Keep belts clean. If they need cleaning, use
a mild soap solution, but do not remove belts
from car. Do not use other cleaning agents
as they will weaken the webbing.
Never bleach or dye safety belts.
Do not allow safety belts to retract until they
are completely dry. Dry belts in shade.
The seatbelt should not be used to hold a
child's seat as the diagonal belt will not
provide the needed protection.
19
Parking brake lever (arrow)
Parking brake force is mechanically trans-
ferred to the rear wheels by means of cables.
To set the parking brake...
- press in the release button (arrow) at the
end of the lever as you pull the lever up. The
parking brake engages as soon as you release the button in the raised lever.
To release the parking brake...
- pull the lever slightly up as you depress the
release button. Keep the button depressed
as you lower the lever.
20
Always set the parking brake when parking
your car. Move the selector lever to "P"
(Automatic transmission) or move the
gearshift lever to reverse or first gear (Manual transmission). On hills also turn the
wheels toward the curb.
The central warning light and the parking
brake light will go out after the engine is started
and the parking brake is fully released (see
"Central warning light system").
Loudspeaker balance control
The volume of the loudspeakers in the door
and in the rear of the vehicle can be balanced
by turning the loudspeaker balance control
knob (A), located next to the parking brake
lever.
Brake pedal
Your Porsche is equipped with a hydraulic
dual circuit brake system with self adjusting
disc brakes at the front and rear. Make it a
habit to check the operation of your brakes
before driving off. The movement of the brake
pedal should not be obstructed by a floor mat
or other objects.
Do not "ride the brakes" by resting your foot
on the pedal when not intending to brake.
Overheating and wear of the brakes is the result.
With correctly adjusted brakes, and a correctly working brake system, the pedal travel to
the point of brake actuation should be 1-3/16"
to 1 -9/16" or 30 to 40 mm. Whenever the brake
pedal travel exceeds this distance, have the
brake system checked.
Keep in mind that the braking distance increases very rapidly as the speed increases.
At 60 mph or 96 km/h, for example, it is not
twice but four times longer than at 30 mph
or 48 km/h. Tire traction is also less effective
when the roads are wet or slippery. Therefor,
always maintain a safe distance.
Moisture or road salt on brakes
affects braking
Driving through water may reduce tire traction. Moisture on brakes from road water
or car wash or coating of road salt may affect braking efficiency. Cautiously apply
brakes for a test. Brakes will dry and salt
coating will be cleaned off after a few cau-
tious brake applications.
Brake booster
The brake booster assists braking only when
the engine is running. When the car is moving
while the engine is not running, or if the brake
booster is defective, more pressure on the
brake pedal is required to bring the car to a
halt.
Brake warning lights
The central warning light and the brake fluid
warning light in the combination instrument
will flash when the level in the brake fluid reservoir is too low. To report a brake circuit
failure, the central warning light and the brake
pressure warning light will flash (see "Central
warning light system").
Clutch
Due to the hydraulic operation of the clutch,
a free travel of the clutch pedal of 0,1" or
2.5 mm is necessary.
Should this free travel suddenly become
bigger, it could mean a malfunction of the
clutch. See your Porsche dealer for rectification.
The specified maximum rpm figures should
not be exceeded when shifting down, as
otherwise the engine speed would be too
high. This applies to standard gear ratios
only.
21
Instrument cluster
1 Odometer reset switch
2 Light switch
3 Fog light switch
4 Left combination instrument
5 Turn signal indicator light
6 Speedometer
7 Central warning light
8 Tachometer
9 High beam indicator light
10 Right combination instrument
11 Emergency flasher switch
12 Rear window defogger switch
13 Ignition/starter switch with steering lock
14 Instrument illumination control
15 Turn signal/headlight dimmer flasher/
parking light lever
16 Locking lever for steering wheel /
instrument cluster height adjustment
17 Automatic speed control lever
18 Windshield wiper and windshield/head-
light washer lever
19 Intensive washer system switch
20 Intermittent wiper interval control
Ignition/Starter Switch with
Steering Lock
The steering is equipped with an anti-theft
ignition lock.
For your safety, fasten safety belts.
Manual transmission:
- Move gearshift lever to Neutral.
Automatic transmission:
- Move gearshift lever to Neutral or Park.
Never start or let the engine run in an enclosed unventilated area. Exhaust fumes
from the engine contain carbon mono-
xide which is a colorless and odorless
gas. Carbon monoxide can be fatal if
inhaled.
There are 4 positions:
0- Steering locked. All electric circuits
wired through the ignition switch are
turned off. The ignition key can only be
withdrawn in the "0" position. The parking lights can be operated in this position
by pushing the turn signal indicator lever
up and down (also see "Parking lights").
1 - Steering unlocked. In this position all
electric circuits are operational except
for the following: turn signals, back-up
lights, outside mirror remote control, rear
window defogger/defroster and fresh air
ventilation. The instrument cluster illumination will come on and can only be turned off with key in position "0".
2- Ignition on, steering unlocked. All
electric circuits are operational. With the
engine stationary, the central warning
light and all individual warning lights loc-
ated in both combination instruments
will light up for a bulb check.
3 - The starter is operated by turning the
ignition key to the right. As soon as the
engine starts, release the key. It will
spring back to position "2". With the
engine running, the central and indivi-
dual warning lights should go out. The
STOP LAMP will go out after depressing
the brake pedal and the PARK BRAKE
light after fully releasing the parking
brake (see "Central warning light system"). To conserve battery power, the
electric circuits for headlights, rear window defogger/defroster and wiper/
washer system are temporarily inter-
rupted during the starting process.
The starter should not be operated for more
than 10 to 15 seconds at a time. If the engine
does not start the first time or stalls at any
time, the ignition will have to be switched off
and then on again. The non-repeat lock in
the switch prevents the starter from being
operated when the engine is running and
thus from being damaged.
To remove the key and to lock the steering
turn the key back to position "0" and pull it
out. Turn the steering wheel until it locks.
If you leave the key in the ignition/steering
lock, the buzzer will sound when the driver's
door is opened. This is your reminder to remove the key.
See also Starting Hints and Brake-in Period.
The steering column will lock when you
remove the key. Therefore do not remove
the key while you are driving or as the car
is rolling to a stop.
22
Starting Hints
For your safety, fasten your seat belts!
Before starting the engine, make sure the
gearshift lever is in Neutral.
Never start or let the engine run in an enclosed unventilated area. Exhaust fumes
from the engine contain carbon monoxide
which is a colorless and odorless gas. Carbon monoxide, can be fatal if inhaled.
Temperature sensors on the engine auto-
matically provide the correct fuel/air mixture
required for starting.
Therefore, it is not necessary to depress the
accelerator pedal while starting a cold or a
warm engine.
When the engine is hot, fully depress the
accelerator pedal while starting.
When starting at very low outside temper-atures,fully depress the clutch pedal, so that
the starter only has to crank the engine.
As soon as the engine starts, release the
ignition key.
If the engine fails to start after 10 to 15
seconds of cranking, wait about 10 seconds before restarting.
Do not let the engine idle to warm it up. After
starting, accelerate gradually and maintain
moderate speed. Avoid high rpm and full
throttle until the engine has reached normal
operating temperature.
Avoid extended periods of idling. Never leave engine idling unattended. If warning lights
should come on to indicate improper operation, they would go unheeded. This could result in severe damage to the car.
Do not park or operate the car in areas where
the hot exhaust system may come in contact
with dry grass, brush, fuel spill or other flammable material.
If you have an automatic garage door...
The transistorized ignition system in your
Porsche may interfere with your electron-
ically operated garage door. To check this:
drive your Porsche close to the garage door
and run the engine at different speeds.
If the garage door opens or closes without
your operating the garage door unit in your
car, contact the dealer who installed the
automatic garage door to have the frequency
and/or coding of the garage door signal
modified.
23
Fog lights
With headlights on, the fog lights can be
turned on or off by depressing switch "A".
The switch is illuminated when the fog lights
are
on.
Trip odometer
The trip odometer in the lower part of the
speedometer instrument can be turned back
to zero by depressing switch "B".
24
Light switch - with ignition on
0 - lights off
1 - parking lights on (2 front/2 rear)
2 - headlights on and raised
In positions 1 and 2, the following lights are
also on:
-tail lights
- instrument illumination
- shift pattern illumination for automatic
transmission gearshift lever
Instrument illumination control
With headlights on, the brightness of the instrument illumination can be adjusted by turning the thumbwheel on the left side underneath
the instrument cluster.
Tachometer
The transistorized tachometer operates on
the pulse count principle and shows engine
speed in revolutions per minute (rpm).
The red mark at the end of the scale indicates the maximum permissible engine rpm.
Before reaching this area, the next higher
gear should be selected. Earlier shifting
saves fuel.
Shift to the next lower gear when the engine
rpm drops below 1500 rpm.
The speed limiting governor prevents the
engine from being overrevved under load.
Fuel Consumption Gauge
The gauge measures fuel consumption in gal-
lons or liters per hour while the engine is idling
and when driving at speeds up to 20 mph or
33 km/h.
When driving at speeds above 20 mph or 33
km/h (regardless of what gear or driving range
has been selected), the gauge shows
In US: the fuel consumption in miles per
gallon,
in Canada: the fuel consumption in liters per
100 km.
Since individual driving habits, road, traffic
and weather conditions influence fuel consumption, let the fuel consumption gauge assist you in driving for optimum fuel economy.
Speedometer
The speedometer indicates driving speed
per hour.
In USA: Miles and Kilometers per hour
In Canada: Kilometers per hour
The upper odometer records total distance
driven and cannot be turned back.
The trip odometer in the lower part of the
instrument can be turned back to zero by
depressing the odometer reset switch on the
lower left side of the instrument cluster.
25
(oxygen sensor) light
High beam indicator light
Central warning light
The central warning light in the instrument
cluster will light up or flash when a fault
occurs in one of the vehicle's systems. (Refer to ."Central warning system").
26
The OXS light functions as a "Service
Reminder". The light will come on (and stay
on) every 30,000 miles or 48,000 km to re-
mind you to take your car to your Porsche
dealer for the scheduled emission control
maintenance service.
The OXS lamp lights up when the ignition is
turned on and should go out after the engine
has been started. If the light does not go
out after the engine has started, a malfunction may have occurred in the monitoring
system. Have your dealer locate and correct
the cause promptly (see "Emission Control
System" for more details).
The blue light in the instrument cluster will
light up when the selector lever is pushed
forward. The blue light will go out as soon
as low beam is selected.
Turn signal indicator light
The green signal indicator light in the instrument cluster will flash with the selector lever
in either up or down position. If a turn signal
bulb becomes defective, the indicator light
flashes at about twice the normal frequency.
Needle in white field - engine is cold
As long as needle is in white field, avoid
high speeds and high engine rpm, until
engine has reached normal operating temperature. Do not lug the engine.
Needle in center striped field - normal
Under normal driving conditions, needle should
remain in center field. The needle may reach
the red field, especially at high engine loads,
but should return to "normal" when engine
load is reduced.
Needle in red field - warning
If needle enters the red field, the engine is
overheating. The central warning light will also
come on. Reduce speed and engine rpm. If
the needle does not return to the center field,
and the central warning light remains on, pull
off the road, turn off the engine and let it cool
down.
Coolant temperature warning light
If this light comes on, check whether the V-belt
driven mechanical fan is working. If the fan is
not working, the V-belt may be loose or broken.
The belt should be tensioned or replaced. Do
fan in front of the air conditioner condensor is
working.
On vehicles equipped with a factory installed air
conditioner, also check whether the electric
fan in front of the air conditioner is working.
WARNING: Do not touch the fan blades.
Wait until the engine has cooled down. The
electric fan switches on automatically when
the coolant reaches 92° C (198° F) and continues to run - even with the engine turned
off - until the coolant temperature has drop-
ped to 87° C (189° F).
If the electric fan is not working, there may be
a malfunction in the temperature sensor switch
or in the electrical system. Check for a blown
fuse.
If the problem cannot be readily located, be
sure the engine has cooled down sufficiently.
Then drive to the nearest Porsche dealer, but
carefully watch the coolant temperature gauge
and the warning light. Try to avoid engine idling, very low speeds and engine speeds in
excess of 4000 rpm (revolutions per minute).
For other details refer to "Cooling System".
Fuel level gauge and
warning light
With the ignition on, the amount of fuel in the
tank is indicated by the fuel gauge needle.
Fuel level warning light
This light comes on when the fuel reserve level
in the tank is down to about 2.11 U.S. gals, or
8 liters. Time to refuel.
27
The central warning light and the warning
lights in the combination instrument light up
for a bulb check when the ignition is turned
on. They should go out as soon as the engine
is started. Also see "Central warning light
system".
TAIL LAMP warning light comes on when a
bulb is defective.
STOP LAMP warning light comes on and
goes out after depressing the brake pedal.
If the light stays on a bulb is defective.
WASHER FLUID warning light comes on
when level in the windshield/headlight
washer reservoir is down to 2 U.S. qts. or 2
liters.
PARKING LIGHT indicator comes on when
the parking lights are turned on. The light
will go out as soon as the headlights are
switched on.
COOLANT warning light comes on when the
fluid level in the expansion tank falls below the
required minimum. Occasionally, the light
may come on when starting the engine. As
soon as the engine warms up, the coolant in
the reservoir will expand, rise above the mini-
mum level, and the light will go out. If the COO-
LANT warning light remains on, top up immed-
iately and have the cooling system inspected
for leaks.
For other details refer to "Cooling System".
Trailer turn signal indicator light
Not connected
Oil pressure gauge
Oil pressure warning light
Engine oil pressure is shown in bar. At 5000
rpm, with the engine at normal operating
temperature, the oil pressure should be
about 5 bar. A slight drop in oil pressure at
higher temperatures is normal.
If the oil pressure should drop suddenly
while you are driving, this light and the central warning light will flash. Pull off the road
and stop the engine immediately. Check
the engine oil level. If it appears to be normal,
contact the nearest workshop.
Voltmeter
Alternator warning light
The voltmeter shows the overall condition of
the charging system. The needle should normally stay in the 12-14 volt range when the
engine is running. A temporary drop below
12 volts when starting the engine is normal.
The alternator warning light comes on when
the ignition is turned on and goes out as the
engine rpm increases. If the light does not
light up when turning the ignition on, or if it
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