Volvo 2002 V70 Operation And Care Manual page 85

Replacement of rear turn signal and brake light bulbs
Switch off all lights and turn the ignition switch to position 0.
Using a screwdriver, carefully pry off the speaker grille.
Pull out the red tab in the speaker.
Then press on the black pin above the extracted red tab and twist out the speaker.
Twist the bulb holder counter-clockwise, and withdraw it.
Fit a new bulb.
Fit the bulb holder in place and twist it clockwise.
Refit the speaker and press in the red tab.
Press the speaker grille back into position.
pg. 119 Replacing bulbs
Front fog lights (option)
CAUTION:
Avoid touching the glass on the bulb with your fingers.
Switch off all lights and turn the ignition key to position 0.
Turn the bulb holder slightly counter-clockwise to release it.
Replace the bulb. The shape of the base of the bulb corresponds to the shape of the bulb holder.
Reinstall the bulb holder by turning it slightly clockwise. "TOP" on the holder should be upward.