Opel 2016 Insignia Owner's Manual page 238

236 Vehicle care
Bi-Halogen Headlight (1)
On left vehicle side, pull filling pipe out
of the windscreen washer fluid
container.
1. Rotate the cap anticlockwise and
remove it.
2. Rotate the bulb holder
anticlockwise to disengage.
Withdraw the bulb holder from the
reflector.
3. Disengage the bulb holder from
the plug connector by slightly
bending apart the retaining lug.
4. Replace the bulb and connect
with the plug.
5. Insert the bulb holder, engaging
the two lugs into the reflector and
rotate clockwise to secure.
6. Fit the cap and rotate clockwise.