Jeep 2015 Cherokee - Owner Manual - Manual (Page 630)

3. Lower the vehicle to the ground by turning the jack
handle counterclockwise.
4. Finish tightening the wheel bolts. Push down on the
wrench while at the end of the handle for increased
leverage. Tighten the wheel bolts in a star pattern until
each wheel bolt has been tightened twice. Refer to
“Torque Specifications” in this section for the proper
lug bolt torque. If in doubt about the correct tightness,
have them checked with a torque wrench by your
authorized dealer or service station.
5. Lower the jack until it is free. Remove the wheel
chocks. Reassemble the lug wrench to the jack assem-
bly and stow it in the spare tire area. Secure the
assembly using the means provided. Release the park-
ing brake before driving the vehicle.
6. After 25 miles (40 km) check the wheel bolt torque
with a torque wrench to ensure that all wheel bolts are
properly seated against the wheel.
JUMP-STARTING PROCEDURES
If your vehicle has a discharged battery it can be jump-
started 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.
NOTE:
When using a portable battery booster pack
follow the manufacturer’s operating instructions and
precautions.
CAUTION!
Do not use a portable battery booster pack or any
other booster source with a system voltage greater
than 12 Volts or damage to the battery, starter motor,
alternator or electrical system may occur.
628 WHAT TO DO IN EMERGENCIES