Extreme Cold Weather (Below -20°F Or −29°C) - Jeep 2014 Grand Cherokee Owner's Manual

388 STARTING AND OPERATING
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.
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 four positions, OFF, ACC, RUN
and START. To change the ignition switch positions
without starting the 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
will display "ACC"),
• Press the ENGINE START/STOP button a second time
to change the ignition switch to the RUN position
(EVIC will display "ON/RUN"),
• Press the ENGINE START/STOP button a third time to
return the ignition switch to the OFF position (EVIC
will display "OFF").
Extreme Cold Weather (Below –20°F Or −29°C)
To ensure reliable starting at these temperatures, use of
an externally powered electric engine block heater (avail-
able from your authorized dealer) is recommended.