2010 Jeep Grand Cherokee Owner's Manual - Page 122

UNDERSTANDING THE FEATURES OF YOUR VEHICLE 121 When the ignition is turned to the ON position, the warning display will turn ON all of its LEDs for about one second. Each side of the warning display has six yellow and two red LEDs. The vehicle is close to the obstacle when the red LED is ON. WARNING DISPLAY DISTANCES DISPLAY LED 1st LED 2nd LED 3rd LED 4th LED 5th LED 6th LED 7th LED 8th LED 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: 3 LED COLOR Yellow Yellow Yellow Yellow Yellow Yellow Red Red AUDIBLE SIGNAL Yes, Half Second None None None None None Yes, Intermittent Yes, Continuous 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) 28 in (70 cm) 16 in (40 cm) 20 in (50 cm) 6 in (15 cm) 12 in (30 cm)