See also:

Overview
1 AC – (ON/OFF) 2 Recirculation/Multifilter with sensor 3 Recirculation 4 AUTO 5 Air distribution 6 Passenger compartment temperature sensor 7 Defroster windshield and side windows 8 Rear win ...

Interior Air Quality System (IAQS)
A multifilter helps reduce gases and particles in the incoming air, thereby reducing the levels of odors and contaminants entering the vehicle. The air quality sensor detects increased levels o ...

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". ...