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.
See also:
Operation
The radar sensor detects vehicles
ahead that are moving in the same
direction as your vehicle.
If the radar detects that your
vehicle is rapidly closing in on
another vehicle, a red warning ...
R (Reverse)
With the gearshift lever in R (Reverse), the vehicle will move backward.
Always come to a complete stop before shifting into and out of R
(Reverse). ...
Blocked sensor
An extreme build-up of materials on
the quarter panel fascias such as
mud or snow can cause degraded
performance of the BLIS . Also,
heavy rain can cause the same
effect. The BLIS can detect ...
