User Manual - Page 230

For CHRYSLER 2020 300.

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228 IN CASE OF EMERGENCY
10. Finish tightening the lug nuts. Push down on
the wrench while at the end of the handle
for increased leverage. Tighten the lug nuts
in a star pattern until each nut has been
tightened twice. For the correct lug nut
torque, refer to “Wheel And Tire Torque
Specifications” in “Technical Specifica-
tions”. If in doubt about the correct tight-
ness, have them checked with a torque
wrench by an authorized dealer or at a
service station.
11. Stow the jack, tools and flat tire. Make sure
the base of the jack faces the front of the
vehicle before tightening down the fastener.
Road Tire Installation
1. Mount the road tire on the axle.
2. Install the remaining lug nuts with the cone
shaped end of the nut toward the wheel.
Lightly tighten the lug nuts.
3. Lower the vehicle to the ground by turning
the jack handle counterclockwise.
4. Refer to “Wheel And Tire Torque Specifica-
tions” in “Technical Specifications for
proper lug nut torque.
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
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.
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!
To avoid the risk of forcing the vehicle off the
jack, do not tighten the wheel nuts fully until
the vehicle has been lowered. Failure to
follow this warning may result in serious
injury.
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.
20_LX_OM_EN_US_t.book Page 228
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