Porsche Cayenne 2005, Owner'S Manual

Page: 272 / 369

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272
Practical Tips, Minor Repairs
Tire pressures
Danger!
Risk of accident.
Risk of serious personal injury or death.
Driving the vehicle with low tire pressure
increases risk of a tire failure and resulting
loss of control. Furthermore, low tire pres-
sure increases rate of wear of the affected
tires and cause damage. Always use an
accurate tire pressure gauge when checking
inflation pressures.
f Do not exceed the maximum tire pressure
listed on the tire sidewall. (Also refer to “Tech-
nical data“).
f Cold tire inflation pressure means: all tires
must be cold, ambient temperature maximum
68°F (20°C), when adjusting the inflation pres-
sure. Avoid sunlight striking the tires before
measuring cold pressures, since the pressures
would rise from temperature influence.
f
Valve caps protect the valve from dust and dirt,
and thus from leakage. Always screw caps
tightly down. Replace missing caps immedi-
ately.
f
For safety reasons, don't use tire inflating bot-
tles.
The tire pressure must match the prescribed
value.
You can find information on the tire pressure:
– In the front left door aperture.
– Please observe the chapter “TIRE
PRESSURES, COLD” on Page 350.
These values are for cold tires (68°F/20 °C).
f
Check the tire pressure at least every
2 weeks. Always check when tires are cold.
f
On vehicles with tire pressure monitoring
system:
Please observe the chapter “TIRE PRESSURE”
on Page 85.
When tires are warm, the tire pressure is
increased.
f Never let air out of hot tires. This could cause
the tire pressure to fall below the prescribed
value.
Insufficient tire pressure can cause tires to
overheat and thus be damaged – even invisibly.
Hidden tire damage is not eliminated by subse-
quently correcting the tire pressure.
Overloading
Danger!
Risk of personal injury, loss of control and
damage to vehicle parts.
f Do not overload your vehicle. Be careful about
the roof load.
f
If loading the vehicle also correct the tire pres-
sure. Tire pressure for loaded vehicle can be
found on the tire pressure plate and in the
chapter technical data.
f Never exceed the specified axle load.
Overloading can shorten the service life of the
tires and car, as well as lead to dangerous vehi-
cle reactions and long braking distances.
Damage due to overloading is not covered by
the vehicle warranty.
f Please observe the chapter “LOADING INFOR-
MATION” on Page 191.
f Please observe the chapter “TIRE PRESSU-
RES, COLD” on Page 350.