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Jeep Gladiator 2021 - Autostop Mode; Possible Reasons the Engine Does Not Autostop

Jeep Gladiator 2021
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STARTING AND OPERATING 173
NOTE:
It is recommended that the Stop/Start system
be
disabled during off-road use.
Secondary Battery
Your vehicle may be equipped with a secondary
ba
ttery 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.
Battery Locations
AUTOSTOP MODE
The Stop/Start feature is enabled after every
normal customer engine start. It will remain in
STOP/START NOT READY until you drive forward
with a vehicle speed greater than 5
mph
(8 km/h). At that time, the system will go into
ST
OP/START READY and if all other conditions
are met, can go into an STOP/START AUTO STOP
ACTIVE mode.
To Activate The STOP/START AUTO STOP
AC
TIVE 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
Ú page 115.
Vehicle speed must be less than 2 mph
(3 km/h).
The gear selector must be in the NEUTRAL
position and the clutch pedal must be fully
released.
The engine will shut down, th
e tachometer will
fall to the Stop/Start position, the STOP/START
AUTO STOP ACTIVE message will appear, and
the heater/air conditioning (HVAC) air flow will
be reduced.
POSSIBLE REASONS THE ENGINE DOES
N
OT AUTOSTOP
Prior to engine shut down, the system will check
many safety and comfort conditions to see if
they are fulfilled. In following situations the
engine will not stop:
Driver’s seat belt is not buckled
Outside temperature is less than 10°F
(–12°C) or greater than 109°F (43°C)
Actual cabin temperature is significantly
different than temperature set on Auto HVAC
HVAC is set to full defrost mode
1 — Primary Battery
2 — Secondary Battery
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 an authorized
dealer.
4

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