Opel 2015 Zafira Tourer Owner's Manual page 72

70 Storage
Swivel both clamping levers sideways
as far as they will go.
Otherwise safe functionality is not
guaranteed.
Fold out wheel recesses
Fold out both wheel recesses.
Assembling the bicycle rack
Lift the rack at the rear (1) and pull it
backwards.
Fold up the rack (2).
Push down the rack (1) and swivel
handle (2) backwards to engage.
Attaching the first bicycle