Autostop Mode; Possible Reasons The Engine Does Not Autostop; To Start The Engine While In Autostop Mode - Dodge HORNET 2024 Owner's Manual

108 STARTING AND OPERATING

AUTOSTOP MODE

The Stop/Start feature is enabled after every normal
customer 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 within the Stop/
Start section page 80.
•
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 illumi-
nate indicating you are in Autostop. Customer settings
will be maintained 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.
•
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 is set to MAX A/C.
•
Engine has not reached normal operating
temperature.
•
The transmission is not in a forward gear.
•
Hood is open.
•
Brake pedal is not pressed with sufficient pressure.
•
Accelerator pedal input.
•
Engine temperature is too high.
•
5 mph (8 km/h) threshold has not been achieved
from previous Autostop.
•
Steering angle beyond threshold.
•
Adaptive Cruise Control is on and speed is set.
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 previously.
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 accelerator 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 (D).
•
To maintain cabin temperature comfort.
•
HVAC is set to full defrost mode.
•
HVAC system temperature or fan speed is manually
adjusted.
•
Battery voltage drops too low.
•
Stop/Start OFF switch is pressed.
•
A Stop/Start system error occurs.
•
Steering wheel is turned beyond threshold.
Conditions That Force An Application Of The Electric
Park Brake While In Autostop Mode:
•
The driver's door is open and brake pedal released.
•
The driver's door is open and the driver's seat belt is
unbuckled.
•
The engine hood has been opened.
•
A Stop/Start system error occurs.
If the Electric Park Brake (EPB) is applied with the
engine off, the engine may require a manual restart
and the EPB may require a manual release (press brake
pedal and press EPB switch) page 80.