See also:

Replacing fuses
There are relay/fuse boxes located in the engine compartment, the passenger compartment, and the trunk. If an electrical component fails to function, this may be due to a blown fuse. The easiest ...

Deposit control gasoline (detergent additives)
Volvo recommends the use of detergent gasoline to control engine deposits. Detergent gasoline is effective in keeping injectors and intake valves clean. Consistent use of deposit control gasolines ...

Turn signal indicator – trailer (certainmodels)
If you are towing a trailer, this light will flash simultaneously with the turn signals on the trailer. If the light does not flash when signaling, neither the trailer's turn signals nor the ve ...