2011 Jeep Grand Cherokee User Guide

WHAT TO DO IN EMERGENCIESJump-Starting Procedure• Connect the positive (+) end of the jumper cable to the remote positive (+) post of thedischarged vehicle.• Connect the opposite end of the positive (+) jumper cable to the positive (+) post ofthe booster battery.• Connect the negative end (-) of the jumper cable to the negative (-) post of thebooster battery.• Connect the opposite end of the negative (-) jumper cable to the remote negative (-)post of the vehicle with the discharged battery.• Start the engine in the vehicle that has the booster battery, let the engine idle a fewminutes, and then start the engine in the vehicle with the discharged battery.Once the engine is started, remove the jumper cables in the reverse sequence:• Disconnect the negative (-) jumper cable from the remote negative (-) post of thevehicle with the discharged battery.• Disconnect the negative end (-) of the jumper cable from the negative (-) post of thebooster battery.• Disconnect the opposite end of the positive (+) jumper cable from the positive (+) postof the booster battery.• Disconnect the positive (+) end of the jumper cable from the remote positive (+) postof the discharged vehicle.• Reinstall the protective cover over the remote positive (+) battery post of thedischarged vehicle.• If frequent jump-starting is required to start your vehicle you should have the batteryand charging system inspected at your authorized dealer.CAUTION!• Do not use a portable battery booster pack or any other booster source with asystem voltage greater than 12 Volts or damage to the battery, starter motor,alternator or electrical system may occur.• Failure to follow these procedures could result in damage to the charging systemof the booster vehicle or the discharged vehicle.• Accessories that can be plugged into the vehicle power outlets draw power fromthe vehicle’s battery, even when not in use (i.e., cellular phones, etc.). Eventually,if plugged in long enough, the vehicle’s battery will discharge sufficiently todegrade battery life and/or prevent the engine from starting.72