Automatic Mode; Possible Reasons The Engine Does Not Autostop - Jeep WRANGLER 2020 Owner's Manual

Automatic Mode

WARNING!
Vehicles with the Stop/Start system will be

equipped with two batteries. Both the main
and the supplemental batteries must be
disconnected to completely de-energize the
12 Volt electrical system.
Serious injury or death could result if you do

not disconnect both batteries. To learn how
to properly disconnect, see your authorized
dealer.
The Stop/Start feature is enabled
after every normal customer engine
start. At that time, the system will go
into STOP/START READY and if all
other conditions are met, can go into a STOP/
START AUTOSTOP ACTIVE "Autostop" mode.
To Activate The Autostop Mode, The Following
Must Occur:
The system must be in STOP/START READY

state. A STOP/START READY message will be
displayed in the instrument cluster display
within the Stop/Start section. Refer to "Instru-
ment Cluster" in "Getting To Know Your Instru-
ment Panel" for further information.
The vehicle must be completely stopped.

The gear selector must be in a forward gear

and the brake pedal depressed.
The engine will shut down, the tachometer will
move to the zero position and the Stop/Start
telltale will illuminate indicating you are in
Autostop. Customer settings will be maintained
upon return to an engine running condition.
Possible Reasons The Engine Does Not
Autostop
Prior to engine shut down, the system will check
many safety and comfort conditions to see if
they are fulfilled. Detailed information about the
operation of the Stop/Start system may be
viewed in the instrument cluster display Stop/
Start Screen. In the following situations, the
engine will not stop:
Driver's seat belt is not buckled.

Driver's door is not closed.

Battery temperature is too warm or cold.

Battery charge is low.

The vehicle is on a steep grade.

STARTING AND OPERATING
Cabin heating or cooling is in process and an

acceptable cabin temperature has not been
achieved.
HVAC is set to full defrost mode at a high

blower speed.
HVAC set to MAX A/C.

Engine has not reached normal operating

temperature.
Engine temperature too high.

The transmission is not in a forward gear.

Hood is open.

Transfer case is in 4L or Neutral.

Brake pedal is not pressed with sufficient

pressure.
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