User Manual - Page 171

For 2024 JEEP WRANGLER.

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Conditions That Will Cause The Engine To Start
Automatically While In Autostop Mode:
The transmission selector is moved out of DRIVE.
To maintain cabin temperature comfort.
Actual cabin temperature is significantly different
than temperature set on Auto HVAC.
HVAC is set to full defrost mode.
HVAC system temperature or fan speed is manually
adjusted higher.
Battery voltage drops too low.
Stop/Start OFF switch is pushed.
A Stop/Start system error occurs.
Stop/Start Autostop Active time exceeds five minutes.
Transfer case is in 4L or N (Neutral).
Steering wheel is turned beyond threshold (ESS
Models Only).
TO MANUALLY TURN OFF THE
STOP/START SYSTEM
Push the Stop/Start OFF switch (located on the switch
bank). The light on the switch will illuminate.
The “Stop/Star t OFF” message will appear in instru-
ment cluster display within the Stop/Start section, and
the autostop function will be disabled
page 124.
NOTE:
The Stop/Start system will reset itself back to an ON con-
dition every time the ignition is turned off and back on.
TO MANUALLY TURN ON THE
STOP/START SYSTEM
Push the Stop/Start OFF switch (located on the switch
bank). The light on the switch will turn off.
SYSTEM MALFUNCTION
If there is a malfunction in the Stop/Start system, the
system will not shut down the engine. A “SERVICE
STOP/START SYSTEM” message and a yellow Stop/
Start telltale will appear in the Instrument Cluster
Display
page 124.
If the “SERVICE STOP/START SYSTEM” message
appears in the instrument cluster display, have the sys-
tem checked by an authorized dealer.
If a malfunction occurs duri ng an autostop, the vehicle
may not auto start and will need a key start.
STOP/START SYSTEM MANUAL
TRANSMISSION (IF EQUIPPED)
The Engine Stop/Start (ESS) function is designed to
reduce fuel consumption. The system will stop the
engine automatically during a vehicle stop if the
required conditions are met. Pressing the clutch pedal
will automatically restart the vehicle.
ESS vehicles have been upgraded with a heavy-duty
starter, enhanced battery, and other upgraded engine
parts, to handle the additional e ngine starts.
Vehicles equipped with eTorque contain a heavy duty
motor generator and an ad di tio nal hybrid electric bat-
tery to store energy from vehicle deceleration for use on
engine startup after a stop as well as providing launch
torque assist.
NOTE:
It is recomme nde d that Stop/Start be disabled during
off-road use.
Secondary Battery
Your vehicle may be equipped with a secondary battery
used to power the Stop/Start system and the 12 Volt
vehicle electrical system. The secondary battery is
located behind the wheel well for the front passenger
wheel.
Stop/Start OFF Switch
Battery Locations
1 Primary Battery
2 Secondary Battery
STARTING AND OPERATING 169
4
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