See also:

How can I prepare for my next OBD II emission inspection?
• If your Check Engine (MIL) light is lit – or was lit but went out without service, have your vehicle diagnosed and, if necessary, serviced by a qualified Volvo technician. • If you recently h ...

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 ...

Electrical system
General information 12 volt system with a voltage-regulated alternator. Single pole system in which the chassis and engine block are used as conductors. The negative terminal is connected to the ...