Porsche Cayenne Turbo Driver Manual page 240

Notes on operation
f Do not modify or repair the ball hitch or
mounting tube.
f Consult a qualified specialist workshop if you
experience handling difficulties, notice
anything unusual or find any faults.
f Make sure that the ball hitch is properly locked
in place prior to every journey.
f When driving with a trailer, always lock the lock
and withdraw the key.
f Never unlock the ball hitch when a trailer is still
hitched to the vehicle.
f Always remove the ball hitch and stow it in the
tool box when driving without a trailer.
f Insert the plug into the mounting tube
whenever the ball hitch is removed.
f Important: before using the ball hitch for the
first time, write down the number embossed
on the key.
Note field for
key number .................................
240
Trailer Hitch