User Manual - Page 449

For 2019 Wrangler.

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IN CASE OF EMERGENCY 447
IF YOUR ENGINE OVERHEATS
In any of the following situations, you can reduce the poten-
tial for overheating by taking the appropriate action.
O
n the highways — slow down.
In cit
y traffic while stopped, shift transmission into
NEUTRA
L, but do not increase engine idle speed.
NOTE:
There are steps that you can take to slow down an impending
o
verhea
t condition:
If your air conditioner (A/C) is on, turn it off. The A/C
system
adds heat to the engine cooling system and turning
the A/C off can help remove this heat.
You can also turn the temperature control to maximum
heat,
the mode control to floor and the blower control to
high. This allows the heater core to act as a supplement to
the radiator and aids in removing heat from the engine
cooling system.
FREEING A STUCK VEHICLE
If your vehicle becomes stuck in mud, sand or snow, it can
often be moved using a rocking motion. Turn the steering
wheel right and left to clear the area around the front wheels.
For vehicles with automatic transmission, push and hold the
lock button on the gear selector. Then, shift back and forth
between DRIVE and REVERSE (with automatic transmission)
or SECOND GEAR and REVERSE (with manual transmission),
while gently pressing the accelerator. Use the least amount of
accelerator pedal pressure that will maintain the rocking
motion, without spinning the wheels or racing the engine.
CAUTION!
Driving with a hot cooling system could damage your
vehicle.
If the temperature gauge reads HOT (H), pull
over and stop the vehicle. Idle the vehicle with the air
conditioner turned off until the pointer drops back into
the normal range. If the pointer remains on HOT (H),
and you hear continuous chimes, turn the engine off
immediately and call for service.
WARNING!
You or others can be badly burned by hot engine coolant
(antifr
eeze) or steam from your radiator. If you see or
hear steam coming from under the hood, do not open the
hood until the radiator has had time to cool. Never try to
open a cooling system pressure cap when the radiator or
coolant bottle is hot.
6
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