User Manual - Page 361

For 2022 JEEP WRANGLER 4XE.

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360 IN CASE OF EMERGENCY
4. Connect the opposite end of the negative (-)
jumper cable to a good engine ground. A
“ground” is an exposed metallic/unpainted
part of the engine, frame or chassis, such as
an accessory bracket or large bolt. The ground
must be away from the battery and the fuel
injection system.
Jump Starting Label
5. Start the engine in the vehicle that has the
booster battery, let the engine idle a few
minutes, and then start the engine in the
vehicle with the discharged battery.
6. Once the engine is started, remove the jumper
cables in the reverse sequence.
Disconnecting The Jumper Cables
1. Disconnect the negative
(-)
end of the jumper
cable from the engine ground of the vehicle
with the discharged battery.
2. Disconnect the opposite end of the negative (-)
jumper cable from the negative
(-) post of the
booster battery.
3. Disconnect the positive
(+) end of the jumper
cable from the positive
(+) post of the booster
battery.
4. Disconnect the opposite end of the positive
(+)
jumper cable from the positive
(+) post of the
discharged vehicle.
5. Reinstall the protective cover over the positive
(+) post of the discharged vehicle.
NOTE:
If frequent jump starting is required to start your
vehicle you should have the battery and charging
system tested at an authorized dealer.
IF YOUR ENGINE OVERHEATS
If the vehicle is overheating, it will need to be
serviced by an authorized dealer.
In any of the following situations, you can reduce
the potential for overheating by taking the
appropriate action.
On the highways — slow down.
In city traffic while stopped, shift transmission
into NEUTRAL, but do not increase engine idle
speed.
WARNING!
Do not connect the jumper cable to the negative
(-) post of the discharged battery. The resulting
electrical spark could cause the battery to
explode and could result in personal injury.
CAUTION!
Do not run the booster vehicle engine above
2,000 RPM since it provides no charging benefit,
wastes fuel, and can damage booster vehicle
engine.
CAUTION!
Accessories plugged into the vehicle power
outlets draw power from the vehicle’s battery,
even when not in use (i.e., cellular devices, etc.).
Eventually, if plugged in long enough without
engine operation, the vehicle’s battery will
discharge sufficiently to degrade battery life
and/or prevent the engine from starting.
22_JL_OM_EN_USC_t.book Page 360
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