Chrysler 300 2021 Owner's Manual page 125

The vehicle is close to the obstacle when the instrument cluster display shows one flashing arc and sounds a continuous tone. The following charts
show the warning alert operation when the system is detecting an obstacle:
Greater than
Rear Distance
79 inches
(inches/cm)
(200 cm)
Arcs — Left None
Arcs — Center None
Arcs — Right None
Audible Alert
None
Chime
Radio Volume
No
Reduced
WARNING ALERTS FOR REAR
79-59 inches 59-47 inches
(200-150 cm) (150-120 cm)
None None
10th Solid 9th Solid
None None
Single 1/2-
Slow
Second Tone
(for rear center
(for rear center
only)
only)
Yes Yes
47-39 inches 39-25 inches
(120-100 cm) (100-65 cm)
None None
8th Solid 7th Flashing
None None
Slow Fast
(for rear center (for rear center
only) only)
Yes Yes
STARTING AND OPERATING 123
Less than
25-12 inches
12 inches
(65-30 cm)
(30 cm)
6th Flashing 5th Flashing
6th Flashing 5th Flashing
6th Flashing 5th Flashing
Fast Continuous
Yes Yes
4