2012 Jeep Patriot Owner Manual - Page 404

402 WHAT TO DO IN EMERGENCIES 3. Lower the vehicle to the ground by turning the jack NOTE: When using a portable battery booster pack follow the manufacturer's operating instructions and handle counterclockwise. precautions. 4. Finish tightening the lug nuts. Push down on the wrench while at the end of the handle for increased CAUTION! leverage. Tighten the lug nuts in a star pattern until each nut has been tightened twice. The correct tightness of Do not use a portable battery booster pack or any each lug nut is 100 ft/lbs (135 N·m). If in doubt about the other booster source with a system voltage greater correct tightness, have them checked with a torque than 12 Volts or damage to the battery, starter motor, wrench by your authorized dealer or service station. alternator or electrical system may occur. 5. After 25 miles (40 km) check the lug nut torque with a torque wrench to ensure that all lug nuts are properly seated against the wheel. JUMP-STARTING PROCEDURES If your vehicle has a discharged battery it can be jumpstarted using a set of jumper cables and a battery in another vehicle or by using a portable battery booster pack. Jump-starting can be dangerous if done improperly so please follow the procedures in this section carefully. WARNING! Do not attempt jump-starting if the battery is frozen. It could rupture or explode and cause personal injury.