Volvo S60 Owner's Manual page 187

Removing the defective bulb:
1. Switch off the headlights and turn the ignition switch to position 0.
2. Turn the bulb holder slightly counterclockwise.
3. Pull out and remove the bulb.
Installing the new bulb:
1. Insert the new bulb (it can only be inserted in one position).
2. Reinsert the bulb holder and turn it clockwise. "TOP" must be upward.
208
09 Maintenance and servicing
Replacing bulbs
Replacing bulbs in the tail light cluster
All bulbs in the tail light cluster can be replaced from inside the trunk.
1. Switch off all lights and turn ignition key to position 0.
2. Unlock and fold down the side panel to access the bulbs.
The bulbs are located in two separate bulb holders, an upper and a lower. Each bulb holder has a locking pin.
Replace bulbs in the upper and lower bulb holders as follows:
1. To ease the work: disconnect the cable from the bulb holder.
2. Press the catches together and pull out the holder.