See also:

Power brakes function only when theengine is running
The power brakes utilize vacuum pressure which is only created when the engine is running. Never let the vehicle roll to a stop with the engine switched off. If the power brakes are not workin ...

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 ...

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 ...