Jeep Grand Cherokee Owner's Manual page 151

The system dimly illuminates the two outer most yellow
LEDs when it is ON and detecting no obstacles. The
following chart shows the warning display operation
when the system is detecting an obstacle:
WARNING DISPLAY DISTANCES
DISPLAY LED
1st LED
2nd LED
3rd LED
4th LED
5th LED
6th LED
7th LED
8th LED
NOTE: The Rear Park Assist system will MUTE the
radio, if on, when the system is sounding an audio tone.
OBSTACLE DISTANCE FROM:
REAR CORNERS REAR CENTER
59 in (150 cm)
51 in (130 cm)
45 in (115 cm)
31.5 in (80 cm) 39 in (100 cm)
25.5 in (65 cm) 33.5 in (85 cm)
20 in (50 cm)
16 in (40 cm)
6 in (15 cm)
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 149
LED COLOR
28 in (70 cm)
20 in (50 cm)
12 in (30 cm)
I n f o r m a t i o n P r o v i d e d b y :
AUDIBLE SIGNAL
Yellow Yes, Half Second
Yellow None
Yellow None
Yellow None
Yellow None
Yellow None
Red Yes, Intermittent
Red Yes, Continuous
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