2012 Jeep Grand Cherokee Owner Manual SRT - Page 233

UNDERSTANDING THE FEATURES OF YOUR VEHICLE 231 ParkSenseா System Usage Precautions NOTE: • Ensure that the rear bumper is free of snow, ice, mud, • Clean the ParkSense௡ sensors regularly, taking care dirt and debris to keep the ParkSense௡ system operatnot to scratch or damage them. The sensors must not ing properly. be covered with ice, snow, slush, mud, dirt or debris. Failure to do so can result in the system not working • Jackhammers, large trucks, and other vibrations could properly. The ParkSense௡ system might not detect an affect the performance of ParkSense௡. obstacle behind the fascia/bumper, or it could provide • When you turn ParkSense௡ off, the instrument cluster a false indication that an obstacle is behind the fascia/ will display "PARK ASSIST SYSTEM OFF." Furtherbumper. more, once you turn ParkSense௡ off, it remains off • Objects such as bicycle carriers, trailer hitches, etc., until you turn it on again, even if you cycle the ignition must not be placed within 12 in (30 cm) from the rear key. fascia/bumper while driving the vehicle. Failure to do • When you move the shift lever to the REVERSE so can result in the system misinterpreting a close position and ParkSense௡ is turned off, the EVIC will object as a sensor problem, causing the "SERVICE display "PARK ASSIST SYSTEM OFF" message for as PARK ASSIST SYSTEM" message to be displayed in long as the vehicle is in REVERSE. the EVIC. • ParkSense௡, when on, will MUTE the radio when it is sounding a tone. 3