2013 Jeep Grand Cherokee Owner's Manual - Page 255

UNDERSTANDING THE FEATURES OF YOUR VEHICLE 253 ParkSense® System Usage Precautions NOTE: • Ensure that the rear bumper is free of snow, ice, mud, dirt and debris to keep the ParkSense® system operating properly. • ParkSense®, when on, will MUTE the radio when it is sounding a tone. • Clean the ParkSense® sensors regularly, taking care not to scratch or damage them. The sensors must not 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 obstacle behind the fascia/bumper, or it could provide affect the performance of ParkSense®. a false indication that an obstacle is behind the • When you turn ParkSense® off, the instrument cluster fascia/bumper. will display "PARK ASSIST SYSTEM OFF." Furthermore, 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 so can result in the system misinterpreting a close • When you move the shift lever to the REVERSE object as a sensor problem, causing the "SERVICE position and ParkSense® is turned off, the EVIC will PARK ASSIST SYSTEM" message to be displayed in display "PARK ASSIST SYSTEM OFF" message for as the EVIC . long as the vehicle is in REVERSE. 3