See also:

Locks
The alarm indicator light on the dashboard will stop flashing to indicate that the alarm is not monitoring the entire vehicle. The accessory movement and inclination sensors will be automatically ...

Accessory installation
We strongly recommend that Volvo owners install only genuine, Volvo-approved accessories, and that accessory installations be performed only by a trained and qualified Volvo service technicia ...

Limitations
In certain situations, the BLIS indicator light(s) may illuminate even when there are no other vehicles in the area monitored by the system. NOTE If the BLIS indicator lights illuminate occasion ...