2010 Jeep Grand Cherokee Owner's Manual - Page 121

120 UNDERSTANDING THE FEATURES OF YOUR VEHICLE ParkSense will remember the last system state (enabled ParkSense Warning Display or disabled) from the last ignition cycle when the ignition The ParkSense warning display, located in the headliner near the flipper glass, provides both visible and audible is changed to the ON position. warnings to indicate the distance between the rear fascia ParkSense can be active only when the shift lever is in and the detected obstacle. REVERSE. If ParkSense is enabled at this shift lever position, the system will be active until the vehicle speed is increased to approximately 11 mph (18 km/h) or above. The system will be active again if the vehicle speed is decreased to speeds less than approximately 10 mph (16 km/h). ParkSense Sensors The four ParkSense sensors, located in the rear fascia, monitor the area behind the vehicle that is within the sensors' field of view. The sensors can detect obstacles from approximately 12 to 59 in (30 to 150 cm) from the rear fascia in the horizontal direction, depending on the location and orientation of the obstacle and the type of obstacle. ParkSense Display