See also:

Tire designations
Federal law mandates that tire manufacturers place standardized information on the sidewall of all tires (see the illustration). The following information is listed on the tire sidewall: Th ...

What is an Onboard Diagnostic System (OBD II)?
OBD II is part of your vehicle's computerized engine management system. It stores diagnostic information about your vehicle's emission controls. It can light the Check Engine light (MIL) if it ...

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". ...