Volvo 2007 S80 Owner's Manual page 195

3. Pull the wire to withdraw the bulb holder.
4. Pull out the burned out bulb and install a new one. It can only be secured in one position.
5. Press the bulb holder into the socket and press until it clicks into place.
6. Press the cover until it clicks into position.
Fog lights
1. Remove the cover by pressing in the clips and pulling straight out.
2. Unscrew the fog light housing screw and pull it out.
3. Turn the bulb counterclockwise and remove it.
4. Install a new bulb by turning clockwise.
5. Press the bulb into the holder. (The profile of the bulb holder corresponds to the profile of the foot of the bulb.)
6. Reinstall the bulb holder. The TOP mark on the bulb holder must always be upward.
7. Put the cover back into place.
Taillight housing
The bulbs in the taillight cluster are replaced from inside the cargo area (not the LED functions).
1. Remove the covers in the left/right panel to access the bulbs. The bulbs are located in separate bulb holders.
2. Press the catches together and pull out the bulb holder.
3. Remove the defective bulb by pressing it in slightly and turning it before pulling it out.