See also:

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 gasol ...

Blower function to reduce battery drain
The climate system's blower functions normally while the engine is running. However, when the engine is switched off (even if the ignition is switched to positions I or II), the blower control w ...

Exterior
Partly because it was designed specifically as a sedan, the S80 looks dramatically different than its squared-off predecessors. The compact grille extends forward and is accented by a prominent V ...