Vauxhall Astra GTC Owner's Manual page 166

Sidelight/Daytime running light
(3)
1. Rotate bulb socket (3)
anticlockwise to disengage.
Withdraw the bulb socket from the
reflector.
2. Remove the bulb from the socket
by pulling.
3. Replace and insert new bulb into
socket.
4. Insert the bulb socket into the
reflector and turn clockwise.
Vehicle care
Adaptive forward lighting
9 Danger
Adaptive forward lighting system
uses Xenon headlights.
Xenon headlights work under
extremely high electrical voltage.
Do not touch. Have bulbs replaced
by a workshop.
Bulbs for front turn signal and
corner lighting can be changed.
Sidelight/Daytime running lights are
designed as Light Emitting Diodes
(LEDs) and cannot be changed.
165