Opel 2015 Astra Owner's Manual page 278

276 Vehicle care
2. Place the loop end of the strap
through the front lashing eye on
the appropriate side.
3. Place the hook end of the strap
through the loop and pull it until
the strap is fastened securely to
the lashing eye.
4. Insert the strap through the
spokes of the wheel as shown in
the illustration.
5. Mount the hook to the rear lashing
eye.
6. Tighten the strap and secure it
using the buckle.
9 Danger
Always drive with folded up and
engaged rear seat backrests when
stowing a damaged full size wheel
in the load compartment.
Stowing a damaged full size
wheel in the spare wheel well,
Sports Tourer and 4-door
notchback
Vehicles equipped with a full size
spare wheel:
A damaged full size wheel must be
stowed outside up in the spare wheel
well secured with the wing nut.
The floor cover can be placed on the
projecting wheel.