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162 STARTING AND OPERATING
POSSIBLE REASONS THE ENGINE DOES
N
OT AUTOSTOP
Prior to engine shut down, the system will check
many safety and comfort conditions for Stop/
Start and ensure they are fulfilled. Detailed
information about the operation of the Stop/
Start system may be viewed in the instrument
cluster display Stop/Start screen. Situations
when the engine will not stop include (but not
limited to):
If Stop/Start is manually disabled by the
Stop/Start OFF button.
Driver’s seat belt is not buckled.
Driver’s door is not closed.
Battery temperature is too warm or cold.
Battery charge is low. During this time a
message will display “Stop/Start Not Ready
Battery Charging”.
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.
Brake pedal is not pressed with sufficient
pressure.
Accelerator pedal input.
Engine temp too high.
5 mph (8 km/h) threshold not achieved from
previous Autostop.
Steering angle beyond threshold.
Vehicle at too high of an altitude.
Ambient temperature is beyond operating
range.
Stop/Start related system malfunction.
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
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:
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. During this
time a message will display "Stop/Start Not
Ready Battery Charging".
21_RUP_OM_EN_USC_t.book Page 162
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