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AUTOSTOP MODE
WARNING!
•
Vehicles with the Stop/Start system will be
equipped with two batteries. Both the main and
the supplemental batteries must be disconnected
to completely de-energize the 12 Volt electrical
system.
•
Serious injury or death could result if you do not
disconnect both batteries. To learn how to properly
disconnect, see an authorized dealer.
The Stop/Start feature is enabled after every driver igni-
tion start. At that time, the system will go into STOP/
START READY and if all other conditions are met, can go
into a STOP/START AUTOSTOP ACTIVE Autostop mode.
To Activate The Autostop Mode, The Following Must
Occur:
•
The system must be in STOP/START READY state. A
STOP/START READY message will be displayed in
the instrument cluster display within the Stop/Start
section
page 105.
•
The vehicle must be completely stopped.
•
The shifter must be in a forward gear and the brake
pedal pressed.
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. Situations when the engine
will not stop include (but not limited to):
•
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.
•
Gear selector is in MANUAL (M) mode.
•
HVAC is set to full defrost mode at a high blower
speed.
•
HVAC is set to MAX A/C.
•
Engine has not reached normal operating
temperature.
•
Engine or exhaust temperature is too high.
•
The transmission is not in a forward gear.
•
Hood is open.
•
Transfer case is in 4L or N (Neutral).
•
Brake pedal is not pressed with sufficient pressure.
•
Accelerator pedal input.
•
Vehicle speed threshold has not been achieved from
previous Autostop.
•
Steering angle is beyond threshold (ESS Models
Only).
STARTING AND OPERATING
•
ACC is on and speed is set.
•
Vehicle is at high altitude.
•
System fault is 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 previously listed items.
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 pressed.
The transmission will automatically re-engage upon
engine restart.
Conditions That Will Cause The Engine To Start Auto-
matically 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 higher.
•
Battery voltage drops too low.
•
Stop/Start OFF switch is pushed.
•
A Stop/Start system error occurs.
•
Stop/Start Autostop Active time exceeds five
minutes.
•
Transfer case is in 4L or N (Neutral).
•
Steering wheel is turned beyond threshold (ESS
Models Only).
143
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