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STARTING AND OPERATING 217
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
Engine temperature too high
The transmission is not in a forward gear
Hood is open
4WD system is put into 4L or Neutral
Brake pedal is not pressed with sufficient
pressure
Other Factors Which Can Inhibit Autostop
Inc
lude:
Accelerator pedal input
Vehicle speed threshold not achieved from
previous auto-stop
Steering angle beyond threshold
ACC is on and speed is set
Vehicle is at high altitude
System fault present
It may be possible for the vehicle to be driven
sev
eral 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
automatically re-engage upon engine restart.
Conditions That Will Cause The Engine To Start
Aut
omatically While In Autostop Mode:
The transmission selector is moved out of
DRIVE
To maintain cabin temperature comfort
Actual cabin temperature is significantly
different than temperature set on Auto HVAC
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
STOP/START AUTO STOP ACTIVE time
exceeds 5 minutes
4WD system is put into 4L or Neutral mode
Steering wheel is turned beyond threshold
5
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