Opel ASTRA 2014 Owner's Manual page 76

74 Storage
Disengage the locking lever on the
diagonal support and fold both pedal
crank recesses down.
9 Warning
Risk of pinching.
Swivel first the left clamping lever (1),
followed by the right clamping lever
(2), until they stop.
Push the clamping lever down and
pull both lamp supports out of the
recesses.
Fold in the lamp supports on the
backs of the tail lamps.
First place the front (1) tail lamp, then
the rear (2) tail lamp in the recesses
and push down as far as possible.
Push cables all the way into all guides
in order to prevent damage.
Open the tailgate.