Conserving electrical current

Keep the following in mind to help minimize battery drain:
- When the engine is not running, avoid using ignition mode II. Many electrical systems (the audio system, the optional navigation system, power windows, etc) will function in ignition modes 0 and I. These modes reduce drain on the battery.
- Please keep in mind that using systems, accessories, etc., that consume a great deal of current when the engine is not running could result in the battery being completely drained. Driving or having the engine running for approximately 15 minutes will help keep the battery charged.
See also:
Severe strain on the brake system
The brakes will be subject to severe strain when driving in mountains or hilly
areas, or when towing a trailer. Vehicle speed is usually slower, which means that
the cooling of the brakes is less ...
Occupant Weight Sensor
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 s ...
Collision Warning
The radar sensor and the camera work
together to detect a pedestrian, stationary
vehicles and vehicles that are moving in the
same direction as your vehicle. If there is a risk
of collision wi ...
