Opel ASTRA Owner's Manual page 84

82 Storage
Saloon 4-door
Attach the warning triangle and first
aid kit in the load compartment
against the panel on the right using
two straps.
Station wagon
Fasten the first-aid kit to the left load
compartment wall with a retaining
strap.
Van
Place first aid kit in stowage
compartment behind the driver's seat.
To open the cover, press the locking
tab.