STARTING AND OPERATING
179
A
UTOSTOP
M
ODE
The Stop/Start feature is enabled after every
normal engine start. At that time, the system will
go into STOP/START READY.
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
The vehicle must be completely stopped.
The gear selector must be in a forward gear
and the brake pedal pressed.
The engine will shut down, the tachometer will
move to the zero position and the Stop/Start
telltale will illuminate indicating you are in
Autostop. Customer settings will be maintained
upon return to an engine running condition.
P
OSSIBLE
R
EASONS
T
HE
E
NGINE
D
OES
N
OT
A
UTOSTOP
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
Transfer case is in 4L or N (Neutral)
Brake pedal is not pressed with sufficient
pressure
Accelerator pedal input
Vehicle speed threshold not achieved from
previous Autostop
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
several times without the Stop/Start system
going into a STOP/START READY state under
more extreme conditions of the items listed
above.
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.
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