Opel 2016 ASTRA Owner's Manual page 256

254 Vehicle care
2. Unscrew both plastic securing
nuts from the inside by hand.
3. Carefully withdraw the light
assembly from the recesses and
remove.
4. Detach wiring plug from bulb
carrier.
5. Remove the bulb holder by
turning and replace the bulb by
withdrawing or pushing the bulb
slightly into the socket and
rotating anticlockwise:
Tail light/Brake light (1)
Turn signal light (2)
version with Light Emitting Diode
(LED)
Only turn signal light (2) can be
changed.
6. Insert and turn bulb holder
clockwise into the tail light
assembly. Connect the wiring
plug with the light assembly. 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.
Close cover and engage.
Light assembly in the tailgate
1. Open the tailgate and remove the
covers on the respective side.
2. Unscrew three screws.
3. Remove the tail light assembly
from tailgate.
4. Remove the bulb holder by
turning and replace the bulb by
withdrawing or pushing the bulb