Trailer Stability Assist - Opel ASTRA Owner's Manual

194 Driving and operating
Attach breakaway stopping cable to
eye.
Check that the coupling ball bar is
correctly installed
● Green marking on rotary knob
must point towards green
marking on coupling ball bar.
● There must be no gap between
the rotary handle and the
coupling ball bar.
● The coupling ball bar must be
firmly engaged in the opening.
● The coupling ball bar must be
locked and the key removed.
9 Warning
Towing a trailer is permitted only
when a coupling ball bar is fitted
correctly. If the coupling ball bar
does not engage correctly, seek
the assistance of a workshop.
Dismounting the coupling ball bar
Open the protective flap and turn the
key to position c to unlock the
coupling ball bar.
Pull out rotary handle and turn
clockwise as far as it will go. Pull out
coupling ball bar downwards.
Insert sealing plug in opening. Fold
away socket.

Trailer stability assist

If the system detects snaking
movements, engine power is reduced
and the vehicle/trailer combination is
selectively braked until the snaking
ceases. While system is working keep
steering wheel as still as possible.
Trailer stability assist is a function of
the Electronic Stability Control 3 161.