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IN CASE OF EMERGENCY
291
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, follow the disconnecting
procedure.
Disconnecting The Jumper Cables
1. Disconnect the negative (-) end of the jumper cable
from the remote negative (-) post of the discharged
vehicle.
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 remote positive (+) post of the
discharged vehicle.
5. Reinstall the protective cover over the remote
positive (+) post of the discharged vehicle.
If frequent jump starting is required to start your vehicle
have the battery and charging system tested at an
authorized dealer.
REFUELING IN EMERGENCY
The vehicle is equipped with a refueling funnel
page 278 for a Cap-Less Fuel System. If refueling is
necessary, while using an approved gas can, insert the
refueling funnel into the filler neck opening.
Refueling Funnel
NOTE:
In certain cold conditions, ice may prevent the fuel door
from opening. If this occurs, lightly push around the
perimeter of the fuel door to break the ice build up.
Re-release the fuel door by pushing on the rear outer edge
near the center to unlatch. Do not pry on the door.
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.
23_W7_OM_EN_IN_t.book Page 291
Summary of Contents for GRAND CHEROKEE 2023
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