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 occasionally
even when there are no other vehicles
in the blind area, this does not indicate
a fault in the system.
In the event of a fault, Blind spot syst.
service required will be displayed.
The following are several examples of situations in which the BLIS indicator light(s) may illuminate even when there are no other vehicles in the area monitored by the system.

Light reflected from a wet road surface

The vehicle's own shadow against a large, light, smooth surface such as barriers between lanes on a highway

Sunlight directly in the camera when the sun is low on the horizon
See also:
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The ABS system in your vehicle performs a
self-diagnostic test when the vehicle first reaches
the speed of approximately 12 mph
(20 km/h). The brake pedal will pulsate several
times and a sound ma ...
Automatic locking
When the vehicle starts to move, the doors and
tailgate can be locked automatically. This feature
can be turned on or off by pressing MY
CAR and going to Car settings
Lock
settings
Aut ...
Climate system maintenance
Special tools and equipment are required to
maintain and carry out repairs on the climate
system. Work of this type should only be done
by a trained and qualified Volvo service technician. ...
