2021 JEEP WRANGLER 4XE Owners Manual

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Only use the positive battery post on the main
battery to jump start your vehicle. Serious
injury or death could result if you attempt to
jump start using the supplemental battery.
Battery gas is flammable and explosive. Keep
flame or sparks away from the battery. Do not
use a booster battery or any other booster
source with an output greater than 12 Volts.
Do not allow cable clamps to touch each
other.
Battery posts, terminals, and related accesso-
ries contain lead and lead compounds. Wash
hands after handling.
WARNING!
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Take care to avoid the radiator cooling fan
whenever the hood is raised. It can start
anytime the ignition switch is ON. You can be
injured by moving fan blades.
Remove any metal jewelry such as rings,
watch bands and bracelets that could make
an inadvertent electrical contact. You could be
seriously injured.
Batteries contain sulfuric acid that can burn
your skin or eyes and generate hydrogen gas
which is flammable and explosive. Keep open
flames or sparks away from the battery.
WARNING!
Do not allow vehicles to touch each other as this
could establish a ground connection and
personal injury could result.
WARNING!
Failure to follow this jump starting procedure
could result in personal injury or property
damage due to battery explosion.
CAUTION!
Failure to follow these procedures could result in
damage to the charging system of the booster
vehicle or the discharged vehicle.

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Racing the engine or spinning the wheels may
lead to transmission overheating and failure.
Allow the engine to idle with the transmission
in NEUTRAL for at least one minute after every
five rocking-motion cycles. This will minimize
overheating and reduce the risk of clutch or
transmission failure during prolonged efforts
to free a stuck vehicle.
When “rocking” a stuck vehicle by shifting
between DRIVE/SECOND gear and REVERSE,
do not spin the wheels faster than 15 mph
(24 km/hyfRUGULYHWUDLQGDPDJHPD\UHVXOW.
Revving the engine or spinning the wheels too
fast may lead to transmission overheating and
failure. It can also damage the tires. Do not
spin the wheels above 30 mph (48 km/hyf
while in gear (no transmission shifting
occurringyf.
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Do not use sling type equipment when towing. Vehicle damage may occur.
When securing the vehicle to a flatbed truck, do not attach to front or rear suspension components. Damage to your vehicle may result from improper towing.

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Do not use a chain for freeing a stuck vehicle.
Chains may break, causing serious injury or
death.
Stand clear of vehicles when pulling with tow
hooks. Tow straps may become disengaged,
causing serious injury.
CAUTION!
Tow hooks are for emergency use only, to rescue
a vehicle stranded off road. Do not use tow
hooks for tow truck hookup or highway towing.
You could damage your vehicle. Tow straps are
recommended when towing the vehicle, chains
may cause vehicle damage.