Opel Corsa Owner's Manual page 178

176 Driving and operating
Inserting the coupling ball bar
Insert the tensioned coupling ball bar
in the opening and push firmly
upwards until it audibly engages.
The rotary knob snaps back into its
original position resting against the
coupling ball bar without a gap.
9 Warning
Do not touch rotary knob during
insertion.
Green marking on the rotary knob is
visible.
Lock coupling ball bar and remove
key.
Eye for break-away stopping cable
Attach breakaway stopping cable to
eye.
Check that the coupling ball bar is
correctly installed
■ Green marking on rotary knob is
visible.
■ There must be no gap between the
rotary knob 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.