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•
Do not remove any screws from the sensor. Doing so
could cause an ACC system malfunction or failure
and require a sensor realignment.
•
If the sensor or front end of the vehicle is damaged
due to a collision, see your authorized dealer for
service.
•
Do not attach or install any accessories near the
sensor, including transparent material or aftermar-
ket grilles. Doing so could cause an ACC system fail-
ure or malfunction.
When the condition that deactivated the system is no
longer present, the system will return to the “Adaptive
Cruise Control Off” state and will resume function by
simply reactivating it.
NOTE:
•
If the “ACC Unavailable Wipe Front Radar Sensor”
message occurs frequently (e.g. more than once on
every trip) without any snow, rain, mud, or other
obstructions, have the radar sensor realigned at an
authorized dealer.
•
Installing a snowplow, front-end protector, an after-
market grille or modifying the grille is not recom-
mended. Doing so may block the sensor and inhibit
ACC operation.
“CLEAN FRONT WINDSHIELD” WARNING
The “ACC Limited Functionality Clean Front Windshield”
warning will display, and a chime will sound when con-
ditions temporarily limit system performance. This most
often occurs at times of poor visibility, such as in snow
or heavy rain and fog. The ACC system may also
become temporarily blinded due to obstructions, such
as mud, dirt, or ice on windshield and fog on the inside
of glass. In these cases, the instrument cluster display
will read “ACC Limited Functionality Clean Front Wind-
shield” and the system will have degraded
performance.
This message can sometimes be displayed while driving
in adverse weather conditions. The ACC system will
recover after the vehicle has left these areas. Under
rare conditions, when the camera is not tracking any
vehicles or objects in its path this warning may tempo-
rarily occur.
If weather conditions are not a factor, the driver should
examine the windshield and the camera located on the
back side of the inside rearview mirror. They may
require cleaning or removal of an obstruction.
When the condition that created limited functionality is
no longer present, the system will return to full
functionality.
NOTE:
If the “ACC Limited Functionality Clean Front Wind-
shield” message occurs frequently (e.g. more than once
on every trip) without any snow, rain, mud, or other
obstructions, have the windshield and forward facing
camera inspected at an authorized dealer.
SERVICE ACC WARNING
If the system turns off, and the instrument cluster dis-
play reads “ACC Unavailable Service Required” or
“Cruise Unavailable Service Required”, there may be an
internal system fault or a temporary malfunction that
limits ACC functionality. Although the vehicle is still driv-
able under normal conditions, ACC will be temporarily
unavailable. If this occurs, try activating ACC again later,
following an ignition cycle. If the problem persists, see
an authorized dealer.
Precautions While Driving With ACC
In certain driving situations, ACC may have detection
issues. In these cases, ACC may brake late or unexpect-
edly. The driver needs to stay alert and may need to
intervene. The following are examples of these types of
situations:
TOWING A TRAILER
ACC while towing a trailer is recommended only with an
Integrated Trailer Brake Controller. Aftermarket trailer
brake controllers will not activate the trailer brakes
when ACC is braking.
OFFSET DRIVING
ACC may not detect a vehicle in the same lane that is
offset from your direct line of travel, or a vehicle merg-
ing in from a side lane. There may not be sufficient dis-
tance to the vehicle ahead. The offset vehicle may
move in and out of the line of travel, which can cause
your vehicle to brake or accelerate unexpectedly.
Offset Driving Condition Example
136 STARTING AND OPERATING
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