Climate control system – general information

See also:
Spare wheel
The following instructions only apply if you have purchased an accessory temporary
spare wheel for your vehicle. If there is no temporary spare wheel in your vehicle,
please see 284 for instructio ...
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 ...
Unleaded fuel
Each Volvo has a three-way catalytic converter and must use only unleaded gasoline.
U.S. and Canadian regulations require that pumps delivering unleaded gasoline be
labeled "UNLEADED". O ...
