conditions are met, the system may go into STOP/START
AUTOSTOP ACTIVE Autostop mode.
To Activate The Autostop Mode, The Following Must
Occur:
1. The system must be in STOP/START READY state.
A STOP/START READY message is displayed in the
instrument cluster within the Stop/Start section
.
2. The vehicle must be decelerating and likely coming
to a complete stop.
3. The transmission gear selector must be in DRIVE
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 an Autostop. While
in an Autostop, the Climate Controls system may
automatically adjust airflow to maintain cabin comfort.
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.
In following situations, the engine will not Autostop:
●
Driver’s seat belt is not buckled
●
Driver’s door is not closed
●
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
●
Engine has not reached normal operating
temperature
●
Engine or exhaust temperature is too high
●
The battery is charging
●
The transmission is not in DRIVE
●
Hood is open
●
Transfer case is in 4WD LOW
●
TOW/HAUL mode is selected
●
Accelerator pedal input
●
Excessive 12 Volt loads
●
Brake application is adequate to obtain and
maintain a stop
It may be possible to operate the vehicle several
consecutive times in extreme conditions and not meet
all criteria to enable an Autostop state.
T
O
S
TART
T
HE
E
NGINE
W
HILE
I
N
A
UTOSTOP
M
ODE
While in DRIVE, the engine will start when the brake
pedal is released or the accelerator pedal is pressed
and the transmission will automatically reengage upon
engine restart.
Conditions That Will Cause The Engine To Start
Automatically While In Autostop Mode
The engine will start automatically when:
●
The transmission selector is moved from DRIVE to
REVERSE, NEUTRAL, or PARK
●
To maintain cabin temperature near the HVAC
settings
●
HVAC is set to full defrost mode
●
12 Volt demand requires engine restart
●
Stop/Start OFF switch is pushed
●
Transfer case is in 4WD LOW
●
The emissions system override is present
●
A Stop/Start system error is present
Conditions That Force An Automatic Shift To Park While
In Autostop Mode
The engine will not start automatically and the
transmission will be placed in PARK if:
●
The driver door is open and brake pedal released
●
The driver door is open and the driver seat belt is
unbuckled
●
The engine hood has been opened
●
A Stop/Start system error is present
The engine may then be restarted by moving the
transmission shift selector out of PARK (e.g., to DRIVE)
or, in some cases, only by a key start. The instrument
cluster will display a “SHIFT OUT OF PARK” message,
or a “STOP/START KEY START REQUIRED” message, to
indicate which action is required
T
O
M
ANUALLY
T
URN
O
FF
T
HE
S
TOP
/S
TART
S
YSTEM
Push the Stop/Start OFF switch (located on the
switch bank). The light on the switch will illuminate.
The “STOP/START OFF” message will appear in the
STARTING AND OPERATING 143
4