Volvo 2008 C30 Owner's Manual page 190

1. Pull out the bulb holder with a pair of pliers. The bulb holder should not be pulled out by the wire.
2. Replace the bulb.
3. Press the bulb holder back into place. It can only be installed in one position.
Turn signal
1. Turn the bulb holder counterclockwise and remove it.
2. Remove the bulb from the holder by pressing it in and twisting it counterclockwise.
3. Insert a new bulb and reinstall the bulb holder in the headlight housing.
Side marker light