Jeep Grand Cherokee 2013 Operating Information Manual page 226

If the shift lever is not in PARK and the ENGINE
START/STOP button is pressed once, the EVIC
(if equipped) will display a "Vehicle Not In Park"
message and the engine will remain running.
Never leave a vehicle out of the PARK position,
or it could roll.
NOTE:
If the ignition switch is left in the ACC or
RUN (engine not running) position and the
transmission is in PARK, the system will
automatically time out after 30 minutes of
inactivity and the ignition will switch to the
OFF position.
Keyless Enter-N-Go™ Functions – With
Driver's Foot OFF The Brake Pedal/Clutch
Pedal (In PARK Or NEUTRAL Position)
The Keyless Enter-N-Go™ feature operates
similar to an ignition switch. It has four positions,
OFF, ACC, RUN and START. To change the
ignition switch positions without starting the
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vehicle and use the accessories follow these
steps.
• Starting with the ignition switch in the OFF
position:
• Press the ENGINE START/STOP button
once to change the ignition switch to the ACC
position (EVIC displays "IGNITION MODE
ACCESSORY"),
• Press the ENGINE START/STOP button a
second time to change the ignition switch to
the RUN position (EVIC displays "IGNITION
MODE RUN"),
• Press the ENGINE START/STOP button a
third time to return the ignition switch to the
OFF position (EVIC displays "IGNITION
MODE OFF").
Extreme Cold Weather (Below –20°F
Or −29°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.
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" in "What To Do In Emer-
gencies" for further information.