Volvo XC90 Owner's Manual page 157

The table lists possible causes for this mes-
Cause
The surface of the radar in the grille is dirty or obstructed in some way.
Heavy rain or snow is interfering with the radar signals.
Swirling water or snow from the surface of the road may interfere with
the radar signals.
The surface of the radar is clean but the message remains in the display.
Symbols and messages in the display
Symbol Message
-
-
-
-
sage being displayed, and suitable actions.
Action
Clean the radar surface, or remove the object causing the obstruction.
No action possible. Heavy precipitation may affect the function of the
radar.
No action possible. A very wet or snow-covered road surface may affect
the function of the radar.
Wait a short time. It may take several minutes for the radar to detect that
it is no longer obstructed.
Description
Standby mode or active mode when no other vehicle has been detected.
Active mode with a detected vehicle to which ACC is adapting speed/distance.
Time interval while it is being set.
Time interval after it has been set.
I n f o r m a t i o n P r o v i d e d b y :
04 Comfort and driving pleasure
Adaptive Cruise Control (ACC)*
*
Option/accessory, for more information, see Introduction.
04
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