Vauxhall Insignia 2009 Owner's Manual page 161

160 Vehicle care
2. Push bulb into socket slightly,
rotate anti-clockwise, remove and
renew bulb.
3. Insert bulb holder in reflector,
rotate clockwise to engage.
Xenon headlights
9 Danger
Xenon headlights work under
extremely high electrical voltage.
Do not touch. Have bulbs replaced
by a workshop.
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Fog lights
Have bulbs replaced by a workshop.
Tail lights
Saloon/Hatchback
1. Release cover and remove.
2. Unscrew two plastic securing nuts
from the inside by hand.