Opel 2016 ASTRA Owner's Manual page 254

252 Vehicle care
4. Carefully withdraw tail light
assembly from recesses and
remove. Make sure that the cable
duct remains in position.
5. Detach wiring plug from bulb
carrier.
6. Remove the bulb holder by
turning anticlockwise and replace
the bulb by withdrawing or
pushing the bulb slightly into the
socket and rotating anticlockwise:
Tail lights (1 + 2)
Turn signal light (3)
Brake light (4)
7. Connect the wiring plug and press
the cable into the retainer. Fit light
assembly with the retaining pins
into the recesses of the vehicle
body and tighten the plastic
securing nuts from the inside of
the load compartment. Attach
cover.
When assembling press the blind
on the left-hand side into the
rubber grommets to reach full
retention force.
Light assembly in the tailgate
1. Open the tailgate and remove the
blind covers on the respective
side.
2. Unscrew and remove the screws.
3. Remove the tail light assembly
and detach wiring plug from the
bulb carrier.