312 STARTING AND OPERATING
The engine will shut down, the tachometer will move to the
zero position and the Stop/Start telltale will illuminate indi-
cating you are in Autostop. Customer settings will be main-
tained upon return to an engine running condition.
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
• Dri
ver’s door is not closed
• Bat
tery temperature is too warm or cold
• Bat
tery charge is low
• The
vehicle is on a steep grade
• Cab
in heating or cooling is in process and an acceptable
cab
in temperature has not been achieved
• HVAC is set to full defrost mode at a high blower speed
• HVA
C set to MAX A/C
• Engi
ne has not reached normal operating temperature
• Engi
ne temperature too high
• The
transmission is not in a forward gear
• Hoo
d is open
• 4WD
system is put into 4L or Neutral
• Bra
ke pedal is not pressed with sufficient pressure
Oth
er Factors Which Can Inhibit Autostop Include:
• Accelerator pedal input
• Veh
icle speed threshold not achieved from previous
aut
o-stop
• Steering angle beyond threshold
• ACC
is on and speed is set
• Veh
icle is at high altitude
• Syst
em fault present
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.
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