See also:

Standby mode due to action by the driver
ACC is temporarily deactivated and put in standby mode: when the brakes are applied if the driver's seat belt is taken off If the driver's door is opened if the gear selector is move ...

Activating/deactivating
A short press on the TEL button in the center console activates the hands-free system. The symbol in the display indicates that the hands-free system is active. A long press on the TEL butto ...

Disabling the passenger's side front airbag
Occupant Weight Sensor (OWS) indicator light Volvo recommends that ALL occupants (adults and children) shorter than 4 feet 7 inches (140 cm) be seated in the back seat of any vehicle with a front ...