Jeep Wrangler: IN CASE OF EMERGENCY / 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.
WARNING!
Do not attempt jump starting if the battery is
frozen. It could rupture or explode and cause
personal injury.
CAUTION!
o 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.
NOTE:
When using a portable battery booster pack,
follow the manufacturer's operating instructions
and precautions.
WARNING!
Carefully follow these tire changing warnings
to help prevent personal injury or damage to
your vehicle:
Always park on a firm, level surface as far
from the edge of the roadway as possible
before raising the vehicle...
Supplemental Battery — If Equipped
WARNING!
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...
Other information:
Use the following procedure to prepare your
vehicle for normal usage.
Bring the vehicle to a complete stop,
leaving it connected to the tow vehicle.
Firmly apply the parking brake.
Start the engine.
Press and hold the brake pedal.
Shift the transmission into NEUTRAL...
If the instrument cluster displays “ACC/FCW
Limited Functionality” or “ACC/FCW Limited
Functionality Clean Front Windshield”
momentarily, there may be a condition that
limits FCW functionality. Although the vehicle is
still drivable under normal conditions, the active
braking may not be fully available...