Opel Owner's Manual page 176

174 Vehicle care
4. Detach bulb housing towards the
rear.
5. Remove seal from the fastening
bolt. Press the locking tabs on the
outside of the bulb holder outward
and remove the bulb holder.
6. Remove and renew the bulb.
Reverse light (1)
Turn signal light (2)
Reverse light/brake light (3)
Reverse light (4)
Fog light, may be only on one side
(5)
7. Engage bulb holder in bulb
housing, ensuring that it properly
engages.
8. Ensure that the seals are applied
to the bulb holder and fixing
screws.
9. Insert the bulb housing in the
body, engaging the lug and the
ball pin in the recesses. Tighten
the fastening nuts using a wheel
bolt wrench. Attach the plug
connector. Close and engage the
flap.