Opel COMBO Owner's Manual page 152

150 Vehicle care
2. Insert the wheel wrench into the
aperture in the load compartment
floor.
3. Rotate the wheel wrench to lower
the spare wheel to the floor.
4. Withdraw spare wheel from
beneath the vehicle.
5. Unscrew knob 2 and release
cable attachment 1 from spare
wheel.
6. Change the wheel.
7. Position the replaced wheel at the
rear of the vehicle with the outside
of the wheel facing downwards.
8. Pass the retainer 1 through the
hole in the rim, inserting the
locating pin into one of the bolt
holes and secure with knob 2.
9. Insert the wheel wrench into the
aperture in the load compartment
floor and rotate to fully raise the
spare wheel.