Volvo 2008 C30 Owner's Manual page 142

The system is based on digital camera technology. The cameras (1) are located beneath the side-view mirrors.
When one (or both) of the cameras have detected a vehicle in the blind area (up to approximately 10 ft. (3 meters)
from the side of your vehicle, and up to approximately 31 ft. (9.5 meters) behind the side-view mirror), the indicator
light in the door panel (2) illuminates. The light will glow continuously to alert the driver of the vehicle in the blind
area.
NOTE
The door panel indicator light illuminates on the side of the vehicle where the system has detected another vehicle. If
your vehicle is passed on both sides at the same time, both lights will illuminate.
BLIS has an integrated function that alerts the driver if a fault should occur with the system. For example, if one or
both of the system's cameras are obscured, a message (see the table on
display in the instrument panel. If this occurs, clean the camera lenses. If necessary, the system can be temporarily
switched off (for instructions, see
157
06 Starting and driving
Blind Spot Information System (BLIS)-option
When does BLIS function
The system functions when your vehicle is moving at speeds above 6 mph (10 km/h).
When you pass another vehicle:
The system reacts when you pass another vehicle at a speed of up to 6 mph (10 km/h) faster than that vehicle.
When you are passed by another vehicle:
The system reacts if your vehicle is passed by another vehicle at a speed of up to 43 mph (70 km/h) faster than your
vehicle.
WARNING
BLIS does not function in sharp curves.
BLIS does not function when your vehicle is backing up.
If you are towing a wide trailer, this may prevent the BLIS cameras from detecting other vehicles in adjacent
page 159).
page 159) will appear in the information