
192
Driving and Driving Safety
Preconditions
– Trailer plug is plugged in,
– The trailer is in perfect technical condition.
Readiness for operation
– Vehicle-trailer combination stabilisation is
active when PSM is switched on.
f
Observe country-specific laws for driving with
trailers.
Notes on operation
– Vehicle-trailer combination stabilisation is
switched off when PSM is switched off.
– When the brake pedal is pressed, vehicle-
trailer combination stabilisation is active even
if PSM is switched off.
– On vehicles with electrically folding trailer
hitch, the hitch must be fully extended and in
its end position.