Volvo S 90, Owner'S Manual

Page: 273 / 548

DRIVER SUPPORT
* Option/accessory, for more information, see Introduction. 271
Adaptive Cruise Control (ACC) -
troubleshooting
If this symbol is displayed in the instru-
ment panel and the message
Windscreen sensor Sensor
blocked, see Owner's manual
appears, the ACC radar sensor is blocked and
cannot detect vehicles ahead.
This message also indicates that the following
systems may have reduced functionality:
•
Distance Alert
•
City Safety
•
Driver Alert Control
•
Pilot Assist
•
Lane Keeping Aid (LKA)
•
Road Sign Information (RSI)
The following table lists possible causes for this message being displayed and suitable actions:
Cause Action
The windshield in front of the radar is dirty or covered with snow/ice. Clean/clear the windshield in front of the radar.
Heavy rain or snow is interfering with the radar signals. No action possible. Heavy precipitation may affect the function of the radar.
Swirling water or snow from the surface of the road may interfere with the
radar signals. No action possible. A very wet or snow-covered road surface may affect the
function of the radar.
The windshield in front of the radar is clean but the message remains in the
display. Wait a short time. It may take several minutes for the radar to detect that it is
no longer obstructed.
A text message can be erased by briefly pressing
the
O
button on the right-side steering wheel
keypad. If the message recurs, contact a trained
and authorized Volvo service technician or
retailer.
Related information
•
Adaptive Cruise Control (ACC)
*
(p. 261)