User Manual - Page 320

For 2021 JEEP GRAND CHEROKEE.

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318 IN CASE OF EMERGENCY
13. Remove the small center cap and securely
store the road wheel in the cargo area. Turn
the wing nut clockwise until secured.
Installing Wing Nut
14. Have the aluminum road wheel and tire
repaired as soon as possible, properly
secure the spare tire with the special wing
nut torqued to 3.7 ft-lbs (5 N·m), reinstall
the jack and tool kit foam tray, and latch the
rear load floor cover.
NOTE:
Do not drive with the spare tire installed for
more than 50 miles (80 km) at a max speed of
50 mph (80 km/h).
JUMP STARTING
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 instruc-
tions and precautions.
PREPARATIONS FOR JUMP START
The battery in your vehicle is located under the
passenger's front seat. There are remote
terminals located under the hood to assist in
jump starting.
Under Hood Jump Starting Location
WARNING!
A loose tire or jack thrown forward in a
collision or hard stop could endanger the
occupants of the vehicle. Always stow the jack
parts and the spare tire in the places
provided. Have the deflated (flat) tire repaired
or replaced immediately.
WARNING!
Do not attempt jump starting if the battery is
frozen. It could rupture or explode and cause
personal injury.
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.
21_WK_OM_EN_USC_t.book Page 318
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