Volvo 2002 V70 Operation And Care Manual page 84

Changing the bulb in the turn signals at the front corners
Switch off all lights and turn ignition key to position 0.
Pull out the bulb and its socket by twisting counterclockwise. Replace bulb.
Press the bulb and its socket back into place.
Check that the new bulb lights.
pg. 118 Replacing bulbs
Replacement of bulbs in backup light, rear parking lights and rear fog
lights
Switch off all lights and turn the ignition switch to position 0.
Open the access panel.
Remove the sound insulation behind it.
Twist the bulb holder counterclockwise and remove it.
Press the bulb inward, twist it counter-clockwise and extract it.
Fit a new bulb.
Fit the bulb holder in place and twist it clockwise.
Refit the sound insulation and put the access panel back in place.