Opel Automobile Owner's Manual page 143

Remove sealing plug from the hole for
the coupling ball bar and stow it in the
load compartment.
Confirm that the colour marking on
the lever is red.
Inserting the coupling ball bar
Insert the coupling ball bar into the
coupling housing and push firmly
downwards until the coupling ball bar
audibly engages. If it does not
engage, repeat fitting procedure.
Do not swing the coupling ball bar to
the left or right, or upwards and
downwards, to avoid disrupting
correct fitting.
Driving and operating
Lock coupling ball bar by turning the
supplied key in the lock cylinder of the
coupling ball bar. Remove key.
Check that the coupling ball bar is
correctly attached:
■ Green marking must be visible on
lever.
■ Coupling ball bar must be seated
firmly in coupling housing.
Coupling ball bar must be locked and
key must be removed.
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