2008 Jeep Compass Owner Manual - Page 305

WHAT TO DO IN EMERGENCIES 305 WARNING! Battery fluid is a corrosive acid solution; do not allow battery fluid to contact eyes, skin or clothing. Don't lean over battery when attaching clamps or allow the clamps to touch each other. If acid splashes in eyes or on skin, flush the contaminated area immediately with large quantities of water. A battery generates hydrogen gas which is flammable and explosive. Keep flame or spark away from the vent holes. Do not use a booster battery or any other booster source with an output that exceeds 12 volts. 6. Connect the other cable, first to the negative terminal of the booster battery and then to the negative terminal of the discharged battery. Make sure you have a good contact. 7. If the vehicle is equipped with Sentry Key Immobilizer, turn the ignition switch to the ON position for 3 seconds before moving the ignition switch to the START position. 8. Start the engine in the vehicle that has the booster battery, let the engine idle a few minutes, then start the engine in the vehicle with the discharged battery. 9. When removing the jumper cables, reverse the sequence exactly. Be careful of the moving belts and fan. FREEING A STUCK VEHICLE NOTE: If your vehicle is equipped with Traction Control or ESP, turn the system OFF before attempting to "rock" the vehicle. If your vehicle becomes stuck in mud, sand or snow, it can often be moved by a rocking motion. Turn your steering wheel right and left to clear the area around the front wheels. Then shift back and forth between Reverse 6