If Engine Fails To Start; Cold Weather Operation (Below -22°F Or −30°C) - Jeep Grand Cherokee SRT 2018 Owner's Manual

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To Turn Off The Engine Using ENGINE START/
STOP Button
1. Place the gear selector in PARK, then push
and release the ENGINE START/STOP but-
ton.
2. The ignition will return to the OFF mode.
3. If the gear selector is not in PARK (with
vehicle stopped) and the ENGINE START/
STOP button is pushed once, the transmis-
sion will automatically select PARK and the
engine will turn off, however the ignition will
remain in the ACC mode (NOT the OFF
mode). Never leave a vehicle out of the
PARK position, or it could roll.
4. If the gear selector is in NEUTRAL, and the
vehicle speed is below 5 mph (8 km/h),
pushing the START/STOP button once will
turn the engine off. The ignition will remain in
the ACC mode.
5. If the vehicle speed is above 5 mph (8 km/h),
the ENGINE START/STOP button must be
held for two seconds (or three short pushes
in a row) to turn the engine off. The ignition
will remain in the ACC mode (NOT the OFF
mode) if the engine is turned off when the
transmission is not in PARK.
NOTE:
The system will automatically time out and the
ignition will cycle to the OFF mode after 30 min-
utes of inactivity if the ignition is left in the ACC
or RUN (engine not running) mode and the
transmission is in PARK.
ENGINE START/STOP Button Functions —
With Driver's Foot OFF The Brake Pedal (In
PARK Or NEUTRAL Position)
The ENGINE START/STOP button operates
similar to an ignition switch. It has three modes:
OFF, ACC, and RUN. To change the ignition
modes without starting the vehicle and use the
accessories, follow these steps:
1. Starting with the ignition in the OFF mode,
2. Push the ENGINE START/STOP button
once to place the ignition to the ACC mode
(instrument cluster will display "ACC"),
3. Push the ENGINE START/STOP button a
second time to place the ignition to the RUN
mode (instrument cluster will display "ON/
RUN"),
4. Push the ENGINE START/STOP button a
third time to return the ignition to the OFF
mode (instrument cluster will display "OFF").

If Engine Fails To Start

WARNING!
• Never pour fuel or other flammable liquid
into the throttle body air inlet opening in an
attempt to start the vehicle. This could
result in flash fire causing serious personal
injury.
• Do not attempt to push or tow your vehicle
to get it started. Vehicles equipped with an
automatic transmission cannot be started
this way. Unburned fuel could enter the
catalytic converter and once the engine
has started, ignite and damage the con-
verter and vehicle.
• If the vehicle has a discharged battery,
booster cables may be used to obtain a
start from a booster battery or the battery in
another vehicle. This type of start can be
dangerous if done improperly. Refer to
"Jump-Starting Procedure" in "In Case Of
Emergency" for further information.
Cold Weather Operation (Below
–22°F Or −30°C)
To ensure reliable starting at these tempera-
tures, use of an externally powered electric
engine block heater (available from your autho-
rized dealer) is recommended.
137

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