Volvo 2006 C70 - Manual (Page 152)

Rear reading lights
Insert a screwdriver and turn it gently to detach the bulb housing.
Remove the defective bulb.
Install a new bulb.
Press the bulb housing back into place.
High-level brake light
These bulbs are of a special type. It is recommended that they be replaced by a trained and qualified Volvo service
technician.
pg. 169 Maintenance and servicing
Replacing interior bulbs
License plate lighting
Replacing the bulb
Switch off all lights and turn the key to position 0.
Remove the screw with a screw driver.
Detach the entire bulb housing and carefully pull it out. Turn the connector counterclockwise and pull out the bulb.
Replace the bulb.
Reinstall the connector and turn it clockwise.
Reinstall the entire bulb housing and screw it into place.
Footwell lighting
The footwell lighting is located under the dashboard on the driver's and passenger's sides. To replace a bulb: