See also:

Deposit control gasoline (detergent additives)
Volvo recommends the use of detergent gasoline to control engine deposits. Detergent gasoline is effective in keeping injectors and intake valves clean. Consistent use of deposit control gasol ...

Brake lights
The brake lights come on automatically when the brakes are applied. Adaptive brake lights The adaptive brake lights activate in the event of sudden braking or if the ABS system is activated. This ...

Ignition switch and steering wheel lock
A The gear selector must be in the P (Park) position (automatic transmission). B Please be aware that leaving the key in this position will increase battery drain. ...