2013 Jeep Grand Cherokee Owner's Manual - Page 130

128 UNDERSTANDING THE FEATURES OF YOUR VEHICLE When the vehicle is started, the BSM warning light will • The BSM system detection zone DOES NOT change if momentarily illuminate in both outside rear view mirrors your vehicle is towing a trailer. Therefore, visually verify the adjacent lane is clear for both your vehicle to let the driver know that the system is operational. The and trailer before making a lane change. If the trailer or BSM system sensors operate when the vehicle is in any other object (i.e., bicycle, sports equipment) extends forward gear or REVERSE and enters stand-by mode when the vehicle is in PARK. beyond the side of your vehicle, this may result in the BSM warning light remaining illuminated the entire The BSM detection zone covers approximately one lane time the vehicle is in a forward gear. on both sides of the vehicle (11 ft or 3.35 m). The zone starts at the outside rear view mirror and extends ap- The area on the rear fascia where the radar sensors are proximately 20 ft (6 m) to the rear of the vehicle. The BSM located must remain free of snow, ice, and dirt/road system monitors the detection zones on both sides of the contamination so that the BSM system can function vehicle when the vehicle speed has reached approxi- properly. Do not block the area of the rear fascia where mately 6 mph (10 km/h) or higher and will alert the the radar sensors are located with foreign objects (bumdriver of vehicles in these areas. per stickers, bicycle racks, etc.). NOTE: • The BSM system does NOT alert the driver about rapidly approaching vehicles that are outside the detection zones.