See also:

Selecting a magnetic zone
Magnetic zones. The earth is divided into 15 magnetic zones. The correct zone must be selected for the compass to work correctly. 1. Put the ignition in mode II. 2. Using a pen or similar objec ...

Horn
Horn - Press the steering wheel hub to sound the horn. ...

ABS (Anti-lock brake system)
If the warning light comes on, there is a malfunction of the ABS system (the standard braking system will still function). The vehicle should be driven to a trained and qualified Volvo service ...