Chrysler 300 SRT 2019 Owner's Manual page 155

while driving in highly reflective areas (i.e. tun-
nels with reflective tiles, or ice and snow). The
ACC system will recover after the vehicle has
left these areas. Under rare conditions, when
the radar is not tracking any vehicles or objects
in its path this warning may temporarily occur.
NOTE:
If the "ACC/FCW Unavailable Wipe Front Radar
Sensor" warning is active Normal (Fixed Speed)
Cruise Control is still available. For additional
information refer to "Normal (Fixed Speed)
Cruise Control Mode" in this section.
If weather conditions are not a factor, the driver
should examine the sensor. It may require
cleaning or removal of an obstruction. The sen-
sor is located in the center of the vehicle behind
the lower grille.
To keep the ACC System operating properly, it is
important to note the following maintenance
items:
• Always keep the sensor clean. Carefully wipe
the sensor lens with a soft cloth. Be cautious
not to damage the sensor lens.
• Do not remove any screws from the sensor.
Doing so could cause an ACC system mal-
function or failure and require a sensor
realignment.
• If the sensor or front end of the vehicle is
damaged due to a collision, see your autho-
rized dealer for service.
154
• Do not attach or install any accessories near
the sensor, including transparent material or
aftermarket grilles. Doing so could cause an
ACC system failure 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/FCW Unavailable Wipe Front
Radar Sensor" message occurs frequently
(e.g. more than once on every trip) without
any snow, rain, mud, or other obstruction,
have the radar sensor realigned at your au-
thorized dealer.
• Installing a snow plow, front-end protector, an
aftermarket grille or modifying the grille is not
recommended. Doing so may block the sen-
sor and inhibit ACC/FCW operation.
"Clean Front Windshield" Warning
The "ACC/FCW Limited Functionality Clean
Front Windshield" warning will display and also
a chime will indicate when conditions temporar-
ily 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 obstruc-
tions, such as mud, dirt, or ice on windshield and
fog on the inside of glass. In these cases, the
instrument cluster display will display "ACC/
FCW Limited Functionality Clean Front Wind-
shield" and the system will have degraded per-
formance.
The "ACC/FCW Limited Functionality Clean
Front Windshield" message can sometimes be
displayed while driving in adverse weather con-
ditions. The ACC/FCW 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
temporarily 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 rear view
mirror. They may require cleaning or removal of
an obstruction.
When the condition that created limited function-
ality is no longer present, the system will return
to full functionality.
NOTE:
If the "ACC/FCW Limited Functionality Clean
Front Windshield" message occurs frequently
(e.g. more than once on every trip) without any
snow, rain, mud, or other obstruction, have the
windshield and forward facing camera inspected
at your authorized dealer.