Opel CASCADA Owner's Manual page 210

208 Vehicle care
2. Remove the floor cover.
3. The spare wheel is secured with a
wing nut in the well. Untwist nut,
remove conus and take out the
spare wheel.
Under the spare wheel there is a
box and a bag with vehicle tools.
4. Change the damaged wheel
3 204 and stow the tools back in
the tool box and the bag. Remove
the strap from the box and put
aside.
5. Secure the tool box by turning
right back the wing nut with the
conus. Put the bag in the well.
6. Stow the damaged wheel outside
up in the well.
7. Place the loop end of the strap
through the left rear lashing eye.
8. Place the hook end of the strap
through the loop and pull it until
the strap is fastened securely to
the lashing eye.