User Manual - Page 147

For 2021 GRAND CHEROKEE L.

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STARTING AND OPERATING 145
Accelerator pedal input.
Engine temperature is too high.
5 mph (8 km/h) threshold has not been
achieved from previous Autostop.
It may be possible for the vehicle to be driven
several times without the Stop/Start system
going into a STOP/START READY state under
more extreme conditions of the items listed
above.
TO START THE ENGINE WHILE IN
A
UTOSTOP MODE
While in a forward gear, the engine will start
when the brake pedal is released or the throttle
pedal is pressed. The transmission will
automatically re-engage upon engine restart.
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.
HVAC is set to full defrost mode.
HVAC system temperature or fan speed is
manually adjusted.
Battery voltage drops too low.
Stop/Start OFF switch is pushed.
A Stop/Start system error occurs.
Part-Time 4WD, 4WD Lock, 4WD LOW, or an
off-road Selec-Terrain mode is selected (if
equipped).
TO MANUALLY TURN OFF THE STOP/
S
TART SYSTEM
Stop/Start OFF Switch
Push the Stop/Start OFF switch (located on the
switch bank). The light on the switch will
illuminate. The “STOP/START OFF” message
will appear in the instrument cluster display and
the Autostop mode will be disabled Ú page 98.
NOTE:
The Stop/Start system will reset itself back to
the ON mode every time the ignition is turned
OFF and back ON.
TO MANUALLY TURN ON THE STOP/
S
TART 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 will appear in the instrument cluster
display Ú page 98.
If the “SERVICE STOP/START SYSTEM”
message appears in the instrument cluster
display, have the system checked by an
authorized dealer.
4
21_WL_OM_EN_USC_t.book Page 145
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