See also:

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". ...

Setting a speed
Once ACC has been put in standby mode, use the or buttons to store (set) the vehicle's current speed. This puts the system in active mode. The set speed, for example 55 mph, is shown in th ...

Accessory installation
We strongly recommend that Volvo owners install only genuine, Volvo-approved accessories, and that accessory installations be performed only by a trained and qualified Volvo service technicia ...