See also:

Power brakes function only when the engine 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 working, ...

Recalibrating TPMS (Canadian models only)
In certain cases, it may be necessary to recalibrate TPMS to conform to Volvo's recommended tire inflation pressures (see the inflation pressure table on page 291), for example, if higher infl ...

The Moves
While the interior is the S80's standout area, the driver's digs were never the old model's main fault — a lackluster driving experience was. The S80's optional V-8 engine adds some excitement, ma ...