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156 STARTING AND OPERATING
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.
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.
The transmission is not in a forward gear.
Hood is open.
Vehicle is in 4WD LOW transfer case mode
(if equipped with 4WD).
Brake pedal is not pressed with sufficient pres-
sure with vehicle in DRIVE position.
Other Factors Which Can Inhibit Autostop
Include:
Accelerator pedal input.
Engine temp too high.
5 mph threshold not achieved from previous
AUTOSTOP.
Steering angle beyond threshold.
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 Autostop Mode
While in a forward gear, the engine will start
when the brake pedal is released or the throttle
pedal is depressed. The transmission will auto-
matically re-engage upon engine restart.
Conditions That Will Cause The Engine To Start
Automatically While In Autostop Mode:
The transmission gear selector is moved out of
DRIVE except in the PARK and NEUTRAL position.
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.
Low brake vacuum (e.g. after several brake
pedal applications).
Stop/Start OFF switch is pushed.
A Stop/Start system error occurs.
4WD system is put into 4WD LOW mode
(if equipped with 4WD).
2020_FIAT_500X_OM_USA=GUID-B0E0CFCD-ED13-4DFD-975F-620984F05523=1=en=.book Page 156
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