Dodge Challenger 2013 Owner's Manual page 191

The vehicle is close to the obstacle when the EVIC display shows one flashing arc and sounds a continuous tone.
The following chart shows the warning alert operation when the system is detecting an obstacle:
Rear Distance Greater than
(in/cm) 79 in (200 cm)
Audible Alert
Chime
Display Message Park Assist
System ON
Arcs
Radio Mute
NOTE: ParkSense will MUTE the radio, if on, when the
system is sounding an audio tone.
WARNING ALERTS
79-39 in
(200-100 cm)
None Single 1/2
Second Tone
Warning Object
Detected
None 3 Solid
(Continuous)
No Yes
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 189
39-25 in 25-12 in
(100-65 cm) (65-30 cm)
Slow Fast
Warning Object Warning Object
Detected Detected
3 Slow 2 Slow
Flashing Flashing
Yes
Less than
12 in (30 cm)
Continuous
Warning Object
Detected
1 Slow
Flashing
Yes Yes
3