Porsche Cayenne 2005 Owner's Manual page 195

Driving with a trailer
When towing a trailer you must under all
circumstances adapt your speed to prevailing
road and driving conditions.
In no event should you exeed a speed of 50 mph
(80 km/h). Towing in excessive speed can result
in loss of control.
f Carefully and gradually familiarize yourself with
the handling and braking behavior of the car-
trailer combination.
f Do not drive with the towing vehicle empty and
the trailer loaded.
If this unfavorable combination is unavoidable,
please drive especially slowly.
f Bear in mind the different vehicle handling and
size in situations such as braking, parking,
cornering and overtaking, etc.
f The driving stability of the car-trailer combina-
tion worsens as the speed increases. There-
fore, drive especially slowly on downhill
stretches and in the case of unfavorable road
and weather conditions (such as wind).
f Drive in an appropriately low gear on downhill
stretches in order to make use of the engine
braking effect.
f Slow down immediately if the trailer starts to
sway. Do not countersteer; brake if necessary.
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Never attempt to straighten out the car-trailer
combination by accelerating.
f Activate Low Range when moving off on steep
slopes.
f Under no circumstances may people, animals
or objects be in the space between the trailer
and the towing vehicle when the vehicle is
moving.
f When reversing, bear in mind that ParkAssist is
not active.
Maintenance note
f Please take into consideration that driving with
a trailer places markedly greater stress on all
vehicle components. Expert inspection and
maintenance after every use are indispensable
prerequisites for proper functioning and safety.
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Controls, Safety, Instruments
195