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• There may be issues with the detection of vehicles in front when
driving into and coming out of a bend or curve in the road.
In these cases ACC may brake late or unexpectedly. The driver should
stay alert and intervene when necessary.
ACC Not Available
Several conditions exist which can cause ACC to deactivate or prevent
ACC from activating when requested. These conditions include:
• The sensor is blocked, refer to Blocked sensor in this section.
• Brake temperature is high, refer to Hilly condition usage in this
section.
• A failure has occurred in the ACC system or related system.
Blocked sensor
If the message CRUISE RADAR
BLOCKED is displayed, the radar
signals from the sensor have been
obstructed, a vehicle ahead cannot
be detected and the ACC will not
function. The following table lists
possible causes and actions for this
message being displayed.
2009 MKS (mks)
Owners Guide (post-2002-fmt)
USA (fus)
Driver Controls
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