Porsche 2007 Cayenne Owner's Manual page 231

Water crossing
f Pay attention to the ground clearance of the
car.
Please observe the chapter "GROUND CLEA-
RANCE" on Page 409.
Danger!
Danger of drowning if water enters the vehi-
cle. Risk of damage to the engine and acces-
sories if water penetrates.
f Before driving through water, check the water
depth A, water speed and the condition of the
surface beneath it.
The water must not be deeper than 20 in.
(50 cm).
The water must not be deeper than 22 in.
(55.5 cm) for vehicles with level control and
height adjustment.
f Check the door sills and rubber seals before
starting to drive.
f Do not drive through deep or rapidly flowing
water.
Deep or rapidly flowing water, e.g. mountain
streams, can cause the car to deviate from the
desired path.
f Avoid a "bow wave" by driving at an appropriate
speed.
f Never open the doors when driving through wa-
ter.
Soiling can impair the braking action.
f Check and clean the brakes if they have been
soiled.
Danger of steering assistance failing during
a long journey in the water if the drive belt
slips.
f If the steering assistance fails, more effort will
be required to steer.
Danger of damaging electrical systems
f Avoid driving through salt water.
Notes on operation
f Activate the Low Range program.
f Switch the air conditioner off.
f Switch the headlights off.
Driving and Driving Safety
231