2010 PORSCHE CAYMAN warning

188
Maintenance, Car Care
If in an emergency pure water has been added, the
mix ratio must be corrected at an authorized
Porsche dealer.
Marked loss of coolant in
dicates leakage in the
cooling system.
The cause should immediately be remedied at an
authorized Porsche dealer.
Engine-compartment blower,
radiator fan The radiator and radiator fans are in the front of
the car.
The engine-compartment bl ower is mounted in the
engine compartment.
Warning!
Risk of injury.
After the engine is switched off, the engine-
compartment temperature is monitored for
approx. 30 minutes.
During this period, and depending on tem-
perature, the engine-compartment blower
may continue to run or start to run.
f Carry out work in these areas only with the en-
gine off, the ignition off, and exercise extreme
caution.
Risk of injury. The radiator fans in the front
end of the car may be operating or
unexpectedly start operating when the
engine is switched on.
f Carry out work in these areas only with the en-gine switched off.
Engine Oil It is important to perform oil changes regularly in
accordance with the intervals specified in the
“Maintenance” booklet.
Engine oil consumption
It is normal for your engine to consume oil.
The rate of oil consumptio n depends on the quality
and viscosity of oil, the speed at which the engine
is operated, the climate, road conditions as well
as the amount of dilution and oxidation of the
lubricant.
If the vehicle is used for repeated short trips, and
consumes a normal amount of oil, the engine oil
measurement may not show any drop in the oil
level at all, even after 600 miles (1,000 km) or
more. This is because the oil is gradually becom-
ing diluted with fuel or moisture, making it appear
that the oil level has not changed.
The diluting ingredients evaporate out when the
vehicle is driven at high speeds, as on an express-
way, making it then appear that oil is excessively
consumed after driving at high speeds.
If the conditions you drive your vehicle in are
dusty, humid, or hot, the frequency of the oil
change intervals should be greater.

Maintenance, Car Care
189
If the vehicle is driven at a high rate of speed,
climatic conditions are warm, and the load is high,
the oil should be checked more frequently, as
driving conditions will determine the rate of oil
consumption.
– The engine in your vehicle depends on oil to lubricate and cool all of its moving parts.
Therefore, the engine oil should be checked
regularly and kept at the required level.
– Make it a habit to have the engine oil level checked at every fuel filling.
– The oil pressure warning light is not an oil level
indicator.
The oil pressure warning light indicates serious
engine damage may be occuring when lit, if en-
gine rpm is above idle speed.Engine Oil Level f Please see the chapter “EXERCISE EXTREME
CAUTION WHEN WORKING ON YOUR VEHICLE”
on Page 186.
f Regularly check the oil level using the on-board
computer after the vehicle is refuelled.
Please see the chapter “OIL DISPLAY AND
MEASUREMENT OF THE ENGINE OIL LEVEL”
on Page 161.
The difference between the minimum and maxi-
mum marks on the segment display is approx.
1.3 quarts (1.25 liters).
Each segment of the display corresponds to ap-
prox. 0.42 quart (0.4 liter).
Topping off engine oil
Warning!
Engine oil is hazardous to your health and
may be fatal if swallowed.
f Keep engine oil out of children’s reach.
Used engine oil contains chemicals that have
caused cancer in laboratory animals.
f Always protect your skin by washing thorough-ly with soap and water. Caution!
Risk of damage from overflowing engine oil.
f Take care while checking and topping up
engine oil not to soil the luggage compartment or items of luggage.
Note
The Check Engine warning light may light up if the
cap of the oil filler opening is opened while the
engine is running.
The oil inlet opening is located in the rear luggage
compartment under the service flap.
1. Measure the oil level and read off the required top-up quantity on the on-board computer.
2. Switch off the engine. 3. Press catch button on the service flap and
open flap.
4. Unscrew the oil filler cap.
5. Add at most 0.5 quarts (0.5 liter) of engine oil at a time.
Never add more engine oil than required
to reach the max. mark.
6. Close oil filler cap until you feel it reach its end position.
7. Measure oil level again with the on-board computer. Switch off the engine.
8. If necessary, repeat the process and add more engine oil as required.

192
Maintenance, Car Care
Brake Fluid LevelfPlease see the chapter “EXERCISE EXTREME
CAUTION WHEN WORKING ON YOUR VEHICLE”
on Page 186.
f Use only new (unused) Original Porsche
brake fluid.
Warning!
Brake fluid is hazardous to your health, and
may be fatal if swallowed.
Brake fluid also attacks paintwork.
f Keep brake fluid out of children’s reach.
f Take care while topping off brake fluid not to
soil the luggage compartment or items of lug-gage.
Checking the brake fluid levelThe reservoir for the hydraulic braking and clutch
systems is located in the luggage compartment.
1. Open and remove cover flap A.
2. Regularly check the brake-fluid level on the transparent expansion tank through the
window B.
The fluid level should always lie between the
minimum and maximum marks. A slight decrease in the fluid level due to wear and
automatic readjustment of
the disc brakes is
normal.
If, however, the fluid level falls markedly or below
the minimum mark, the br aking system may have
developed a leak.
f Have the brake system checked without delay
at an authorized Porsche dealer.

Maintenance, Car Care
193
Changing the brake fluid Brake fluid absorbs moisture from the air over
time. This accumulation of water lowers the boil-
ing point and, under certain operating conditions,
can affect the braking performance.
Therefore have the brake fluid changed in accord-
ance with the change intervals stated in the
brochure “Maintenance”. – The warning lights on the instrument panel and
on the on-board computer indicate an insuffi-
cient brake fluid level.
– If the warning light lights up on the instrument
panel and the warning message appears on
the on-board computer in combination with a
larger pedal travel, a brake circuit may have
failed.
If the warning lights should light up when
driving:
f Stop immediately in a suitable place.
f Do not continue driving.
Consult an authorized Porsche dealer.
Warning light USA
Warning light Canada

Maintenance, Car Care
195
Fuel
Warning!
Fuel is highly flammable and harmful to
health.
f Fire, open flame and smoking are prohibited
when handling fuel.
f Avoid contact with skin or clothing.
f Do not inhale fuel vapors.
To prevent damage to the emission control
system and engine:
f Never drive the tank completely out of fuel.
f Avoid high cornering speeds after the warning lights have come on.
f Please see the chapter “FUEL ECONOMY” on
Page 194.
Please see the chapter “EMISSION CONTROL
SYSTEM” on Page 198.
Please see the chapter “LEVEL GAGE” on
Page 130.
Check engine warning light
If the warning lights in the instrument panel and on-
board computer come on and remain on while
driving, it suggests:
– a potential engine control problem and the need for system service or
– an improperly fastened tank cap or – refueling with engine running.
Opening the filler flapThe filler opening is under th
e filler flap in the front
right fender.
f With the vehicle unlocked, press on the front
part of the filler flap ( arrow) to open the flap.
The filler flap is centrally locked along with the oth-
er locks. If there is a defect in
the automatic unlocking
system:
f Open the passenger door.
f Pull the ring in the right-hand door aperture
(arrow ).

198
Maintenance, Car Care
Emission Control SystemIn the interest of clean air Pollution of our environment has become a prob-
lem that is of increasing concern to all of us. We
urge you to join us in ou r efforts for cleaner air in
controlling the pollutants emitted from the auto-
mobile.
Porsche has developed an emission control sys-
tem that controls or reduces those parts of the
emission that can be harmful to our environment.
Your Porsche is equipped with such a system.
Porsche warrants the Emission Control System in
your new car under the terms and conditions set
forth in the Warranty Booklet.
You, as the owner of the vehicle, have the
responsibility to provide regular maintenance serv-
ice for the vehicle and to keep a record of all main-
tenance work performed. To facilitate record
keeping, have the service performed by author-
ized Porsche dealers. They have Porsche trained
technicians and special tools to provide fast and
efficient service. To assure efficient operation of the Emission
Control System:
f
Have your vehicle maintained properly and in
accordance with the recommendations de-
scribed in your Maintenance Booklet.
Lack of proper maintenance, as well as im-
proper use of the vehicle, will impair the func-
tion of the emission control system and could
lead to damage.
f Do not alter or remove any component of the
emission control system.
f Do not alter or remove any device, such as
heat shields, switches, ignition wires, valves,
etc., which are designed to protect your vehi-
cle’s emission control system.
In addition to serious engine damage, this can
result in a fire if excess raw fuel reaches the
exhaust system.
f Do not continue to operat e your vehicle if you
detect engine misfire or other unusual operat-
ing conditions.
Parking
Warning!
Danger of fire resulting in serious personal
injury or death.
f Do not park or operate the vehicle in areas
where the hot exhaust system may come in
contact with dry grass, br ush, fuel spill or oth-
er flammable material.
f If your car catches on fire for any reason, call
the fire department.
Do not endanger your life by attempting to put out the fire.
Undercoating
Danger!
Danger of fire resulting in serious personal
injury or death.
f Do not apply additional undercoating or rust-
proofing on or near the exhaust manifold,
exhaust pipes, catalytic converters or heat
shields. During driving the substance used for undercoating could overheat and ignite.

200
Maintenance, Car Care
Washer FluidCapacity – Without headlight cleaning system:approximately 2.6 quarts (2.5 liters).
– With headlight cleaning system: approximately 6.3 quarts (6 liters). Washer fluidThe reservoir, with a blue screw cap, is in the front
luggage compartment, to the rear left. Clean water is generally
not enough to clean the
windshield and headlights. Depending on the
season, mix the water with the appropriate
additives. Follow the instructions for the mixture
ratio.
Only use window cleaner concentrate which meets
the following requirements.
– Dilutability 1:100
– Phosphate-free
– Suitable for plastic headlight lenses.
We recommend window cleaner concentrates
approved by Porsche. Your authorized Porsche
dealer will be pleased to advise you.
Summer filling
Water + window cleaner concentrate at the mixing
ratio indicated on the container.
Winter filling
Water + antifreeze protection + window cleaner
concentrate at the mixing ratio indicated on the
container.
f Please note all the info rmation on the contain-
ers of the window cleaner concentrate or the
antifreeze protection. Topping off washer fluid
1. Please note all the info
rmation on the refill con-
tainer of the cleaning agent.
2. Open cap of the washer-fluid reservoir (arrow).
3. Top up washer fluid and close cap properly.
f Do not use engine coolant anti-freeze or any
other solution that can damage the car’s paint,
in the washer reservoir.
If less than 0.53 quarts (0.5 liter) remains, a
warning message appears on the on-board
computer.
f Add washer fluid.
Warning light

Maintenance, Car Care
201
Power Steering
Warning!
Risk of accident resulti ng in serious personal
injury or death.
When the engine is stopped (e.g. when being
towed) or the hydraulic system fails, there is
no assistance for steering.
Therefore, substantially more force will have
to be exerted in order to steer.
f Exercise great care when being towed.
f Have the fault remedied at your nearest autho-rized Porsche dealer.
Note
The flow noise heard at full steering lock is system
related and does not indi cate a defect in the
steering system.
Checking hydraulic fluid f Please see the chapter “EXERCISE EXTREME
CAUTION WHEN WORKING ON YOUR VEHICLE”
on Page 186.
The hydraulic fluid reservoir is located in the engi-
ne compartment.
Regular checking of hydraulic fluid is part of
servicing.
Air Filter A dirty air filter not only reduces engine perform-
ance, but can lead to premature engine wear.
Regular filter replacement is part of the routine
maintenance service.
f In dusty conditions, check the filter element
more frequently and replace if necessary.Combination Filter The fresh air passing through the combination fil-
ter into the passenger co mpartment is virtually
free of dust, pollen, and unpleasant odors.
f If the outside air is polluted by exhaust fumes,
press the circulating-air button.
A dirty filter can be the cause of reduced air flow:
f Have filter replaced by your authorized
Porsche dealer.
Regular filter replacement is part of the routine
maintenance service.
Fluids/Oils for Manual
Transmission and Porsche
Doppelkupplung (PDK)The transmission fluids/oils have to be checked
and changed at the intervals listed in your Mainte-
nance Schedule.
f Please see the chapter “CAPACITIES” on
Page 271.
Do not tow the car or run the engine without fluid/
oil in the transmission. The transmission may be
damaged by even a tiny speck of dirt, only a clean
funnel or spout must be used when adding fluid/
oil.
We recommend that you have the fluids/oils
changed at your Porsche dealer, who has the re-
quired lubricants and the necessary filling equip-
ment.
f If you suspect an oil leak in the transmission,
have your authorized Porsche dealer check it
out immediately.