2010 Jeep Grand Cherokee Owner's Manual - Page 124

UNDERSTANDING THE FEATURES OF YOUR VEHICLE 123 • If a ParkSense system malfunction occurs, a single chime will sound once per ignition cycle. In addition, NOTE: the Electronic Vehicle Information Center (EVIC) will • Ensure that the rear bumper is free of dirt and debris display "SERVICE PARK ASSIST SYSTEM". If this to keep ParkSense operating properly. occurs making sure the rear fascia/bumper is free • Jackhammers, large trucks, and other vibrations could from snow, ice, mud, dirt and debris, see your authoaffect the performance of ParkSense . rized dealer. System Usage Precautions • When you turn ParkSense off, the instrument cluster • Clean the ParkSense sensors regularly, taking care will display "PARK ASSIST DISABLED." Furthernot to scratch or damage them. The sensors must not more, once you turn ParkSense off, it remains off be covered with ice, snow, slush, mud, dirt, or debris. until you turn it on again, even if you cycle the ignition Failure to do so can result in the system not working key. properly. ParkSense might not detect an obstacle behind the fascia/bumper, or it could provide a false • When you move the shift lever to the REVERSE indication that an obstacle is behind the fascia/ position and ParkSense is turned off, the instrument bumper. cluster will display "PARK ASSIST DISABLED" message for as long as the vehicle is in REVERSE. • ParkSense , when on, will MUTE the radio when it is sounding a tone. 3