Porsche 928 1981 User Manual
OWNER'S MANUAL
MODEL '81
WKD 469921
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 gad to assist you. Alto check
with your dealer on other available options or equip-
meni
2 5 M 9/80
Model 1981
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 continously
make technical improvements at any time during the
model year and specifications are subject to change
without notice.
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: "Li-
mited warranty for new Porsche
vehicles" and "Limited warranty
against corrosion for new Porsche
vehicles" (USA and Canada), "Li-
mited warranty for new Porsche
vehicle emission control system"
and "Emissions performance war-
ranty" (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 Warranty & 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 PUR-
CHASE post card. This card can be
found in the Warranty & Maintenance booklet or obtained from your
Porsche dealer.
For your own protection and lon-
ger 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 kick-down 43
Accelerater pedal 43
Adjusting headlights 69
Aircompressor 59
Aircondtionlng 31-34
Aircleaner 59
Alternator warning light 25
Anti-freeze 45,54,85
Anti-theft alarm 10
Ashtray/light 35.72
Automatic garage door 21
Automatic speed control 28
Automatic transmission 41-43
Automatic transmission fluid(ATF) 53
B
Battery 45.68.74
Brake-booster . 19
-fluid 56
-pads 44
-parking 18.43
-pedal 19
-system 83
-warning lights 24.25.30
Brake-in-hints 44
Bulbs-replacing 69-73
Buzzers 9,20
C
Capacities 84
Catalytic converter 56.76-77
Cautions 49
Center console 20.36.37
Central door locking 11
Central warnlng light system 30
Changing a wheel 64-65
Cigarette lighter 35
Cleaning 47-48
Clutch 19
Collapsable spare tire 62-63
Coolant temperature gauge 24
Cooling system 54-55,85
Corrosion prevention 45
D
Dashboard 30
Defogging/defrosting 15,26.30,31-34
Dimensions 85
Directional signals 24,27
Doors locks 9-11.46
Driving hints 8
E
Electrical system 66-74.60
Emergency flasher 26
Emergency service 50
Emergency starting 43,74-75
Emergency towinq 75
Emission control system 76-79
Engine -compartment 49
-hoodrelease 39
-number 6
-Oil 44.45.51-52.84
-specifications 80-84
F
Fan -radiator 24
Fan switch 33
Filling capacities 84
Flasher-emergency 26
Fog lights 22.70
Fuel -economy 58
-filler cap 57
-gauge 24
-recommendations 46.58
-tank 58.64
Fuses and relays 66-67
G
Gasohol 58
Gas station information 90-92
Gasoline-octane ratings 46,58.60.84
Gear ratios 81
Gearshifting 40
Glove compartment 9.38
H
Headlights 69.72.73
Headlight dimmer/flasher 27
Headlight washer lever/resorvoir 29.54
Headlight switch 22
Heater/ventilation controls 31 -34
igjh beam/low beam lever/light 23.27
Hood release 39
I/J
Identification plates 6
Ignition/steering lock 20
Instrument cluster 13.20
Instrument illumination 20,22
Intensive windshield washer/
switch/reservoir 29.59
Interior lights 12.72
Intermittent wiper interval 29
Jack 50
Jack lifting points 64-65,92
K/L
Keys 9-11
Kickdown-acceleration 43
Lane changer 27
Lights -ashtrays 72
-fog 22.70
- interior 12.72
-license plate 71
-parking 27 70
-switch 22
-tail 71
-turn slgnal 27.70.71
-vanity mirror •• 38
-warning indicator 24-25,30
Locks 9-11.20,46
Loudspeaker balance control 18
Luggage compartment 13,39
M/O
Maintenance 50
Manual transmission 40,81
Mechanical fan 24
Mirrors 15,38
Octane ratings 46.58.80,84
Odometer 22
Oil changing/checking 51,52
-filter 52
-grades 51,84
-pressure gauge/warning lights ...25
-transmission 53
P
Paint number 6
Parking brake lever 18
Parking lights/lever 27.70
Performance 83
Polishing 47-48
Powersteering fluid 59
Power windows 11.30
Pressure-tires 60-61.82
R
Radiator fan 24.49.54
Rear seats 13
Rear window defogger/defroster 26
Rear window wiper switch 37
Rear view mirrors 15
s
Safe driving hints 7,8
Safety belts 16-17
Seats, front/rear/electric 13-14
Selector lever 41.43
Shift points 40
Siding roof -electric 36-37
Spare tire -collapsible 62-63
Specifications -engine 80-84
Speed control -automatic 28
Speodometer 23
Starting hints/engine 20-21
Steering lock 9-11.20
Sun visors 38
T
Tachometer 23
Technical data 80-89
Tires 60-61.44.45
Tire size/pressure 60-61.82
Toolkit 50
Towing 43,75
Transmission 40-43.53.81
Tripodometer 22
Turn signal lights/lever 27.70.71
U
Undercoating 45.76
Unleaded fuel 46.58.76
Upholstery, care of 47-48
V
Vanity mirror 38
Vehicle identification 6
Ventilation/heater controls 31-34
Voltmeter 25
W
Warning indicator lights 24,25,30
Washer system 29.54.59
Weights 82
Wheels 45,60-61.82
Wheel changing 64-65
Window switches 11.30
Windshield washer reservoir 54
Windshield/wiper washer lever 29
Winter operation 45
Location of Vehicle Identification
Number, Paint and Engine Number
When ordering spare parts or submitting
Inquiries, always quote vehicle identifi-
cation and engine number to ensure
correct and prompt service.
Vehicle Identification number
In accordance with Federal Safety Regula-
tions. The vehicle identification number of
your car is located on the loft windshield
post and can be seen from the outside.
Engine number
The engine number is stamped on the front
reinforcing rib in the top half of the crank-
case.
paint number
The paint number is on the doorjamb on the
driver's side.
Safety Compliance Sticker
Dear Porsche Owner
A lot has gone into the manufacture of your
Porsche, including advanced engineering
techniques, rigid quality control and demanding inspections. Those engineering
and safely 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.
The Safety Compliance Slicker 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.
You will find helpful hints in this manual on
how to perform most of the chocks listed on
the following page. If in doubt, have those
chocks performed by your Porsche dealer.
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 - Chock 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 sufficlent
engine cooling.
5 - Be sure you have a well charged bat-
tery. Each cell should be tilled 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 tall 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 steerlng wheel
to check whether horn is working.
2 - Position seat for easy reach of controls.
3 — Adjust inside and outside roar view mir-
rors.
4-Use safety bolts.
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 In between 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 sot 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 oil 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 steeling 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
virtually impossible. This means, how-
ever. 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. re-
place 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.
It your Porsche Is equipped with an anti-theft
alarm system, you will be given a duplicate
sot 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 The engine cannot be started while the Keep plastic tag with key number in a safe
locking operations. alarm system is activated. place. Do not leave it in the vehicle.
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.
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.
Central door locking system
The central door locking system enables
you to lock or unlock both doors simultaneously1 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 un-
locked 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.
Wiih 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 comp-
artment toward door panel.
Door windows
To open or close. depress the rocker switches in the center console in front of the
shift lever.
Caution: Remove the ignition key to shut
oft power to the window switches when
the vehicle Is not attended by a responsible 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 Door courtesy lights Door warning 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
follows: are as follows:
a - light on continuously a - light on with front doors or hatchback open
b - light off b - light off The red spot lights In the rear doorjambs will
c - light on with front doors or hatchback open, c -light on continuously. come on when a door or the rear lid is opened.
12
Door warning lights
The red spot lights In the rear doorjambs wilt
come on when a door or the rear lid is opened.
Front seats
Correct seat positioning is important for safe
and comfortable driving. Therefor, 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.
Release locking lever under instrument cluster
tor desired positioning (arrow), then lock se-
curely.
Do not attempt to adjust the drlver's seat
while driving! The seat may suddenly jerk
forward or backward causing loss of con-
trol.
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 back-
rest (arrow) and, at the same time, tilt the
backrest forward. When the backrest is tilted
back, the lock will engage automatically.
Backrest adjustment
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 seat back 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.
Rear seats - luggage compartment
The backrests of the rear seats can be tilted
forward to provide additional luggago space.
Unsnap the luggage compartment cover
from the upright rear scat backrests and the
rear cross wall.
To release backrest, pull the lever on side of
the backrest up and, at the same time, tilt
the backrest forward.
13
a backward/forward
b height
c backrest angle
Electric seats
(optional equipment)
The rocker switches (or a smooth three-way
seat adjustment are located at the outboard
side of the seat.
To permit easy access to the rear, the seat
will slide forward automatically when the
backrest is folded down (with ignition on or
14
off). The seat will remain in a position that
permits comfortable entry to the front, when
the backrest is tilted back to its upright position and securely locked.
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 backrost, 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 lover 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).
Wo recommend you do not put decals or
other signs on the windows of your car
that may interfere with the drlver's vision.
Heated outside mirror with remote
control
When the rear window defogger/defroster is
switched on, the outside mirror is also heated electrically. The outside mirror 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 optional electrically heated outside
mirror for the passenger side can be adusted with the same control switch, by
pressing the rocker switch beside the aduster switch into the appropriate position.
If necessary, the outside mlrror(s) can also
be adjusted manually.
15
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
wiih freedom of movement. It adjusts automatically to your size and movements as
long as the pull on the belt Is slow. A sudden
motion locks the belt.
Rapid decoloration 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 curvo.
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' 7"/1.40 m in height,
or with an erect seating height of less
than 2' 5"/74 cm, becauso 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 bo required by law.
Safety belt warning system
An audio-visual warning system is interconnected with the driver's safety bell.
When the ignition is turned on, the warning
light in the confer 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 sec-
onds.
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.
16
Adjusting the belt
For best protection, belts should fit snugly
across lap and chest. II bolt 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 bolts loosely.
Do not strap In more than one person with
each belt.
Releasing the belt
To unfasten belt, push the rod release button marked PRESS. Bolt tongue will spring
out of buckle.
To store lap/shoulder belt, allow belt to wind
up on retractor as you guide bolt tongue to
its stowed position on door post. Mark section across your lap with moveable stop to
keep bolt 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 stowod 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, bells are protected
from dirt and damage.
Check bolts and mechanisms regularly. II
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 bo 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 bolts
from car, Do not use other cleaning agents
as they will weaken the webbing.
Never bleach or dye safety bolls.
Do not allow safety belts to retract until they
are completely dry. Dry bolts in shade.
The seatbelt should not be used to hold a
child's seat as the diagonal bolt will not
provide the needed protection.
t7
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 re-
lease 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.
18
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
Tho 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 chock 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 in-
creases 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
boostor is defective, more pressure on the
brake pedal is required to bring the car to a
halt.
Brake warning tights
The central warning light and the brake fluid
warning light in the combination instrument
will flash when the level in the brake fluid re-
servoir 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.
19
Instrument cluster
1 Odometer reset switch
2 Light switch
3 Fog light switch
4 Lett 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 look
14 Instrument illumination control
15 Turn signal/headlight dimmer flasher/
parking light lever
17 18 19 20
16 Locking lever (or 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 safely, 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 en-
closed unventilated area. Exhaust fumes
from the engine contain carbon mono-
xide which is a colorless and odorless
gas. Carbon monoxide can be fatal It
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 illumi-
nation 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 located 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 interrupted during the starting process.
The starter should not bo 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
lurn 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 Pe-
riod.
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.
20
Starling Hints
For your safety, fasten your seat belts!
Before starting the engine, make sure the
gearshift lever is In Neutral.
Temperature sensors on the engine automatically 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. fu!ly depress the clutch pedal, so that
the starter only has to crank the engineAs soon as the engine starts, release the
ignition key.
tf the engine falls to start after 10 to 15
seconds of cranking, wait about 10 seconds before restarting.
Do not 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 expended periods of idling. Never leave
engine Idling unattended. If warning lights
should come on to indicate improper opera-
tion, they would go unheeded. This could re-
sult 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 flamm-
able 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.
II 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.
21
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".
22
Light switch - with ignition on
0- lights off
1 - parking lights on (2 front/2 roar)
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
The brightness of the instrument illumination
can bo 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 indi-
cates the maximum permissible engine rpm.
Betore 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 overreved under load.
Speedometer
The speedometer indicates driving speed
per hour.
In USA: Mites 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.
High beam indicator light
The blue light in the instrument cluster will
light up when the selector lover 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.
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").
23
Combination Instruments
Coolant temperature gauge
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 strlped field - normal
Under normal driving conditions, noodle
should remain in confer field. The needle
may roach the red field, especially at high
engine loads, out 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. the electric fan or the
belt driven mechanical fan may not be
working to provide sufficient cooling. Pull off
the road and turn off the engine. If the electric fan is working, it may still be running for
a while.
WARNING: Wall until engine has cooled
down. The radiator fan switches on auto-
mat'cally when the coolant reaches 92°C
(198° F) and continuous running • even
with englne turned off - until the coolant
temperature has dropped to 87° C (189° F),
If the electric fan does not work, check for
a blown fuse or contact nearest workshop.
If the mechanical fan is not working, the fan
belt may bo loose or broken. The belt should
be re-tensioned or replaced.
Fuel gauge
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.
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 shouId go out as soon as the engine
Is started. Also sec "Control warning light
system".
TAIL LAMP warning light comes on when a
bulb is detective.
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 scon as the headlights are
switched on.
COOLANT warning light comes on when
coolant level in the expansion tank falls
below the required minimum (see "Cooling
System" and "Filling Capacities"
24
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
does not go out after starting the engine,
there may be a malfunction in the electrical
system. If this is the case, contact your
Porsche dealer.lf the light flickers or stays on
while you are driving, the V-belt may be loose
or broken. The belt should be retensioned or
replaced. The fault may also be in the regu-
lator or the alternator itself. In this case, keep
electrical consumption at a minimum and
drive to the nearest workshop.
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".
OXS (oxygen sensor) light
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 remind 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 malfunc-
tion may have occurred in the monitoring
system. Have your dealer locate and correct
the cause promptly (see "Emission Control
System" for more details).
BRAKE FLUID warning light flashes when
the brake fluid level falls below the required
minimum.
BRAKE PAD warning light comes on when
a brake pad is worn.
BRAKE PRESS warning light flashes if one
of the circuits in the brake system should fail.
PARK BRAKE warning light comes on and
stays on until parking brake is fully released.
ENGINE OIL warning light flashes if, with
the ignition on, the engine stationary, and
the vehicle in level position, the amount of
oil in the sump is less than 1.59 U.S. gal. or
6 liters. Do not attempt to start the engine!
Add oil at once.
25
If your car is disabled or parked under emergency conditions, depress the switch to
make all four turn signals Cash simultaneously. The light in the switch flashes at the
same frequency.
The emergency flasher works Independently of the ignition switch position.
26
[jjp Rear window
defogger/defroster
The rear window defogger/defroster heating
element is actuated by a push button/rotary
switch. The switch is illuminated when the
heating element is energized.
To defog - switch not depressed
0 - heating element off.
1 - heating element on.The heating element
will provide a steady energy output to
keep the rear window free from fog.
To defrost - switch depressed (arrow)
0 - heating element is fully energized for
defrosting. After about 15 minutes the
heating turns off automatically.
1 - heating element is fully energlzed for de-
frostlng. After about 15 minutes, the
heating element automatically reduces
energy output to "defogging".
Lane changer
To indicate your intention when changing
lanes on expressways, slightly lift or depress
the turn signal indicator lever to the resistance point. The lever turns off automatically
when released.
High beam/low beam-with ignition on and
light switch in position 2, push lever forward
to select high beam (arrow 1). The blue Indicator light in the Instrument cluster comes
on when high beam is switched on.
Pull lever toward steering wheel (arrow 2)
to select low beam.
Headlight dimmer and parking
light lever - with ignition on
Turn signal/highbeam/lowbeam
Turn signal Indicator
Lover up - right turn signal (arrow 3)
Lever down - left turn signal (arrow 4)
The turn signal lever turns off automatically
when the steering wheel is straightened out
after completing a turn.
If a turn signal bulb becomes defective,
the Indicator tight flashes at about twlce
the normal frequency.
Parking lights - with ignition off
Lever up -
right side parking lights on (arrow 3)
Lever down -
left side parking lights on (arrow 4)
27
If your car is disabled or parked under emer¬
gency conditions, depress the switch to
make all four turn signals flash simultaneously. The light in the switch flashes at the
same frequency.
The emergency flasher works Independently of the Ignition switch position.
26
The rear window defogger/defroster heating
element is actuated by a push button/rotary
switch. The switch Is illuminated when the
heating element Is energized.
To defog - switch not depressed
0 - heating element off.
1 - heating element on.The heating element
will provide a steady energy output to
keep the rear window tree from fog.
To defrost - switch depressed (arrow)
0 - heating element is fully energized for
defrosting. After about 15 minutes the
heating turns off automatically.
1 - heating element is fully energized for de-
frosting. After about 15 minutes, the
heating element automatically reduces
energy output to "defogglng".
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