See also:

Audible signal
The Park Assist system uses an intermittent tone that pulses faster as you come close to an object, and becomes constant when you are within approximately 1 ft (30 cm) of an object in front of or ...

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 ...

Messages
When a warning, information or indicator symbol comes on, a corresponding message appears on the information display. An error message is stored in a memory list until the fault is rectified ...