Vauxhall Astra Owner's Manual page 46

Removing
Remove in reverse order, wind
deflector is completely folded down in
the load compartment:
■ for tyre repair kit in the
compartment below the loading
floor cover
■ for version with spare wheel , place
in load compartment
The wind deflector must never
protrude upwards or sideways above
the permissible loading height.
Keys, doors and windows 45