Vauxhall Insignia Owner's Manual page 201

200 Vehicle care
Headlights have separate systems for
high beam 2 (inner bulbs) and low
beam 1 (outer bulbs).
Low beam/Daytime running light
1. Rotate cap 1 anti-clockwise and
remove.
2. Rotate lamp support anti-
clockwise to disengage. Withdraw
the lamp support from the
reflector.
3. Detach bulb from lamp support
and renew the bulb.
4. Insert the lamp support, engaging
the two lugs into the reflector and
rotate clockwise to secure.
5. Rotate bulb carrier clockwise as
far as it will go.
6. Fit cap and rotate clockwise.
High beam
1. Rotate cap 2 anti-clockwise and
remove.
2. Detach wiring connector from
bulb.