Volvo 2008 V70 Owner's Manual page 161

on the camera or cause these systems to temporarily stop functioning.
Never place any objects, decals, etc., on the windshield in front of the camera. This could reduce or block the
camera's function, and could cause one or more of the systems that utilize the camera to stop functioning.
Strong sunlight, reflections from the road surface, a dirty road surface, or unclear lane marker lines may
drastically reduce the camera's capacity to detect the side of a lane or another vehicle.
Fault tracing and actions
If the message Camera blocked See manual
vehicle or road marker lines in front of the vehicle.
This, in turn, means that Collision Warning with Auto-brake, Lane Departure Warning, and Driver Alert Control will
not have full functionality.
The table lists possible causes for this message being displayed, and suitable actions.
172
04 Comfort and driving pleasure
Collision Warning with Auto-brake (option)
Symbols and messages in the display
is displayed, this means that the camera is obscured and cannot detect