2015 Jeep Grand Cherokee Owner Manual - Page 582

580 WHAT TO DO IN EMERGENCIES 3. Disconnect the positive (+) end of the jumper cable from the positive (+) post of the booster battery. 4. Disconnect the opposite end of the positive (+) jumper cable from the remote positive (+) post of the discharged vehicle. CAUTION! (Continued) the vehicle's battery will discharge sufficiently to degrade battery life and/or prevent the engine from starting. 5. Reinstall the protective cover over the remote positive FREEING A STUCK VEHICLE (+) post of the discharged vehicle. If your vehicle becomes stuck in mud, sand or snow, it If frequent jump-starting is required to start your vehicle can often be moved using a rocking motion. Turn the you should have the battery and charging system tested steering wheel right and left to clear the area around the front wheels. Press and hold the lock button on the shift at your authorized dealer. lever. Then shift back and forth between DRIVE and REVERSE while gently pressing the accelerator. CAUTION! Accessories plugged into the vehicle power outlets draw power from the vehicle's battery, even when not in use (i.e., cellular phones, etc.). Eventually, if plugged in long enough without engine operation, (Continued) NOTE: Shifts between DRIVE and REVERSE can only be achieved at wheel speeds of 5 mph (8 km/h) or less. Whenever the transmission remains in NEUTRAL for more than two seconds, you must press the brake pedal to engage DRIVE or REVERSE.