Porsche Cayenne Owner's Manual page 202

When driving on slopes with soft sand on vehicles
with Tiptronic S:
f Use the manual select mode M in addition to
the Low Range program.
If your vehicle becomes stuck nevertheless:
f Do not spin the wheels. Instead, use branches,
mats or similar items to provide adequate
traction so that you can drive out of the critical
area.
202
Driving and Driving Safety
Track ruts
Other vehicles leave ruts in many off-road courses
or gravel roads.
f Pay attention to the ground clearance of the
car.
Please see the chapter "GROUND
CLEARANCE" on Page 357.
Caution!
Risk of damage to the vehicle floor when
driving through ruts that are too deep.
f Always bear in mind the car's ground clearan-
ce.
f Do not drive over ruts that are too deep.
Note on operation
f Activate the Low Range program and engage
differential locks if necessary.
Tips on driving
f In cases of doubt, drive with one wheel on the
strip of grass between the ruts.
f Avoid high engine speeds (max. 2,500 rpm).
f Drive slowly.