ECO mode DODGE HORNET 2023 User Guide

GETTING TO KNOW YOUR VEHICLE41
AUTOMATIC HIGH BEAM HEADLAMP
C
ONTROL — IF EQUIPPED
The Automatic High Beam Headlamp Control system
provides increased forward lighting at night by automating
high beam control through the use of a digital camera
mounted on the windshield. This camera detects vehicle
specific light and automatically switches from high beams
to low beams until the approaching vehicle is out of view.
NOTE:
 The Automatic High Beam Headlamp Control can be
turned on or off through Uconnect Settings.
 This function can only be activated with the headlight
switch in the AUTO position.
 Broken, muddy, or obstructed headlights and taillights
of vehicles in the field of view will cause headlights to
remain on longer (closer to the vehicle). Also, dirt, film,
and other obstructions on the windshield or camera
lens will cause the system to function improperly.
FLASH-TO-PASS
You can signal another vehicle with your headlights by
lightly pulling the multifunction lever toward you. This will
cause the high beam headlights to turn on, and remain on,
until the lever is released.
AUTOMATIC HEADLIGHTS — IF EQUIPPED
This system automatically turns the headlights
on or off according to ambient light levels. To
turn the system on, rotate the headlight switch
clockwise to the AUTO position.
When the system is on, the headlight time delay feature is
also on. This means the headlights will stay on for up to
90 seconds after you place the ignition into the OFF
position. To turn the automatic system off, move the
headlight switch out of the AUTO position.
NOTE:The engine must be running before the headlights will
come on in the automatic mode.
HEADLIGHTS ON AUTOMATICALLY WITH
W
IPERS — IF EQUIPPED
If your vehicle is equipped with Automatic Headlights, it
also has this customer-programmable feature. When your
headlights are in the automatic mode and the engine is
running, they will automatically turn on when the wiper
system is on. This feature is programmable through the
Uconnect system.
NOTE:When your headlights come on during the daytime, the
vehicle will monitor outside brightness and decide if the
instrument panel needs to be dimmed.
HEADLIGHT DELAY
To aid in your exit, your vehicle is equipped with a
headlight delay that will leave the headlights on for
approximately 90 seconds. This delay is initiated when the
ignition is placed in the OFF position while the headlight
switch is on, and then the headlight switch is cycled off.
Headlight delay can be canceled by either turning the
headlight switch on then off, or by placing the ignition in
the ON/RUN position.
NOTE:The headlight delay time is programmable through
Uconnect Settings Úpage 130.
LIGHTS-ON REMINDER
If the headlights or parking lights are on after the ignition
is in the OFF position, a chime will sound to alert the driver
when the driver's door is opened.
CORNERING LIGHTS — IF EQUIPPED
The cornering lights are a feature to improve visibility at
night while turning the vehicle. When activated, a light
incorporated in the headlight assembly will illuminate on
the side of the vehicle the steering wheel is rotated, or that
the turn signal indicator is on. It can be activated through
the Uconnect system
Úpage 130.
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GETTING TO KNOW YOUR VEHICLE43
Overhead Light Timing
On certain models, to assist getting in and out of the
vehicle at night or in poorly-lit areas, two timed modes
have been provided.
Timing While Getting Into The Vehicle
The overhead lights turn on according to the following
modes:
Will illuminate for approximately three minutes when
the doors are unlocked.
 Will illuminate for approximately three minutes when
one of the doors is opened.
 Will illuminate for approximately 27 seconds when
each individual door is closed and switch off simultane -
ously when the doors are locked.
Timing is interrupted when the ignition is placed in the
ON/RUN position.
Three Modes Are Available For Turning Off Overhead
Lighting:
 When all doors are closed after entering the vehicle,
the three-minute timer will stop and a seconds timer
will start for the interior lights. This timing will stop
when the ignition is placed in the ON/RUN position.
 When doors are locked (either with key fob or with the
emergency key inserted in driver side door), the over -
head light turns off.
 The interior lights will turn off after 15 minutes to
preserve the battery. Timing While Getting Out Of The Vehicle
After placing the ignition in the OFF position, the overhead
lights will turn on as follows:

For a few seconds after the engine stops.
 For approximately three minutes when one of the doors
is opened.
 For several seconds when the last door is closed.
The timing stops automatically when the doors are locked.
Rear Overhead Light
The rear overhead lights are activated or deactivated by
on/off switches located on the front overhead console or
within the rear overhead lights themselves.

Rear Overhead Light On/Off Switches

The light turns on when a door is opened.
NOTE:The light will turn off automatically after a few minutes if a
door is left open. To turn it on again, open another door or
close and reopen the same door.
Instrument Panel Dimmer Control
The instrument panel dimmer control is part of the
headlight switch and is located on the driver’s side of the
instrument panel.
Rotating the instrument panel dimmer up or down will
adjust the brightness of the instrument panel lights if the
built-in light sensor determines that the ambient light
levels are low enough that the backlighting should be
enabled.

Instrument Panel Dimmer

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44GETTING TO KNOW YOUR VEHICLE
Interior Ambient Lighting — If Equipped
The brightness of the interior passenger compartment
lights can be adjusted through Uconnect Settings
Úpage 130.
The lights can be adjusted to seven different levels of
brightness.
Battery Saver Feature
To protect the battery, the interior lights will turn off
automatically 15 minutes after the ignition switch is
placed in the OFF position. This will occur if the interior
lights were switched on manually or are on because a
door is open.
WINDSHIELD WIPERS AND WASHERS
The windshield wiper/washer controls are located on the
windshield wiper/washer lever on the right side of the
steering column. The front wipers are operated by rotating
a switch, located on the end of the lever. For information
on the rear wiper/washer, see
Úpage 46.
WINDSHIELD WIPER OPERATION

Windshield Wiper Operation

Rain Sensor Sensitivity Level
1 — Push Forward For Rear Washer
2 — Pull For Front Washer
3 — Rotate Switch For Front Wiper Operation
4 — Push Up for Mist Feature
5 — Pull Lever Downward For Rear Wiper Operation
Rotating the switch to the Low
Continuous Wiper Speed position
activates the first (low) level continuous
speed of the windshield wipers in
manual mode.
Rotating the switch to the High
Continuous Wiper Speed position
activates the second (high) level
continuous speed of the windshield
wipers in manual mode.
Rotating the switch to the O (off) position
turns the windshield wipers off.
Rotating the switch to the Low Sensitivity
Rain Sensing position, activates the first,
less sensitive level of the Rain Sensing
function.
Rotating the switch to the High Sensitivity
Rain Sensing position, activates the
second, more sensitive level of the Rain
Sensing function
Úpage 45.

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GETTING TO KNOW YOUR VEHICLE45
Windshield Washer
To use the washer, pull the windshield wiper lever toward
the steering wheel and hold.
Both the windshield washer jet and the windshield wipers
will be activated. The wipers and washer will continue to
operate until you let go of the lever.
The windshield wipers stop working three strokes after the
stalk is released, followed by a final stroke six seconds
later to complete the cycle.
Mist
Push the lever upward to the MIST position and release for
a single wiping cycle.
NOTE:The Mist feature does not activate the washer pump;
therefore, no washer fluid will be sprayed on the wind -
shield. The washer function must be used in order to spray
the windshield with washer fluid.
For information on wiper care and replacement, see
Úpage 230.
RAIN SENSING WIPERS — IF EQUIPPED
This feature senses rain or snowfall on the windshield and
automatically activates the wipers. The Rain Sensor is
located behind the interior rearview mirror.

Rain Sensor

The sensor has an adjustment range that varies
progressively from wiper still (no stroke) when the
windshield is dry, to wiper at continuous speed
(fast operation) with intense rain. Activation

1. Rotate the wiper switch to the Low Sensitivity Rain
Sensing position or High Sensitivity Rain Sensing
position.

2. Tap the wiper stalk upwards.
The variation in sensitivity during rain sensor operation is
signaled by a stroke of the wiper.
If the windshield washer is used with the rain sensor
activated, the normal washing cycle is performed, and
then the rain sensor resumes its normal automatic
operation.
NOTE:Keep the glass in the sensor area clean.
Deactivation
To turn off the Rain Sensing Wipers, use the wiper switch
or place the ignition in the OFF position.
In the event of malfunction of the rain sensor while it is
active, the windshield wiper operates intermittently at a
speed consistent with the sensitivity setting of the rain
sensor, whether or not there is rain on the glass for as long
as the sensor failure is indicated on the display.
The sensor continues to operate and it is possible to set
the windshield wiper to continuous mode (low or high). The
failure indication remains on for as long as the sensor is
active.
WARNING!
Sudden loss of visibility through the windshield could
lead to a collision. You might not see other vehicles or
other obstacles. To avoid sudden icing of the windshield
during freezing weather, warm the windshield with the
defroster before and during windshield washer use.
CAUTION!
Always remove any buildup of snow that prevents the
windshield wiper blades from returning to the parked
position. If the windshield wiper switch is turned off,
and the blades cannot return to the parked position,
damage to the wiper motor may occur.
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GETTING TO KNOW YOUR VEHICLE47
Recirculation Button
Press and release this button on the
touchscreen, or push the button on the
faceplate, to change the system between
automatic, recirculation, and outside air
modes. Recirculation can be used when outside
conditions such as smoke, odors, dust, or high humidity
are present. Recirculation can be used in all modes.
Recirculation may be unavailable (button on the
touchscreen grayed out) if conditions exist that could
create fogging on the inside of the windshield. The A/C can
be deselected manually without disturbing the mode
control selection. Continuous use of the Recirculation
mode may make the inside air stuffy and window fogging
may occur. Extended use of this mode is not
recommended.
AUTO Button
Press and release this button on the
touchscreen, or push the button on the
faceplate, to change the current setting. The
AUTO indicator illuminates when AUTO is on.
This feature automatically controls the interior cabin
temperature by adjusting distribution and amount of
airflow. Toggling this function will cause the system to
switch between manual override mode and automatic
modes
Úpage 49.
MAX Defrost Button
Press and release the touchscreen button, or
push and release the button on the faceplate,
to change the current airflow setting to Defrost
mode. The indicator illuminates when this
feature is on. Performing this function will cause the
automatic climate controls to change to manual mode,
and the following settings will occur:
 The blower speed increases to full (all LEDs on)
NOTE:The blower speed increases to full only if warm outlet
temperature can be guaranteed. Otherwise, the blower
bars will be proportional to outlet air temperature.
The air conditioning compressor is turned on
(A/C LED off)
 Both driver and passenger temperature controls are
set to HI
 Defrost mode is selected (LED on)
 Rear defroster is turned on (LED on)
 The air recirculation is turned off (LED off)
If MAX Defrost mode is turned off, the Climate Control
system will return to the previous setting. MAX Defrost
automatically turns off after a few minutes.
Rear Defrost Button
Press and release the button on the
touchscreen, or push and release the button on
the faceplate, to turn on the rear window
defroster and the heated outside mirrors
(if equipped). The Rear Defrost indicator illuminates when
the rear window defroster is on. The rear window defroster
automatically turns off after 10 minutes.
CAUTION!
Failure to follow these cautions can cause damage to
the heating elements:
 Use care when washing the inside of the rear
window. Do not use abrasive window cleaners on the
interior surface of the window. Use a soft cloth and a
mild washing solution, wiping parallel to the heating
elements. Labels can be peeled off after soaking
with warm water.
 Do not use scrapers, sharp instruments, or abrasive
window cleaners on the interior surface of the
window.
 Keep all objects a safe distance from the window.
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GETTING TO KNOW YOUR VEHICLE49
Combine Modes
Dual Level Combination
Front Defrost and Panel Mode
Tri-Level Combination
Front Defrost, Panel Mode, and Floor Mode
Climate Control OFF Button
Press and release this button on the
touchscreen, or push and release the
button on the faceplate to turn the
Climate Control ON/OFF.
AUTOMATIC TEMPERATURE
CONTROL (ATC)
Automatic Operation

1. Push the AUTO button on the faceplate, or the
AUTO button on the touchscreen (if equipped) on the
Automatic Temperature Control (ATC) Panel.

2. Next, adjust the temperature you would like the system to maintain by adjusting the temperature
control buttons. Once the desired temperature is
displayed, the system achieves and automatically
maintains that comfort level.
3. When the system is set up for your comfort level, it is not necessary to change the settings. You experience
the greatest efficiency by simply allowing the system
to function automatically.
NOTE:
It is not necessary to move the temperature settings for
cold or hot vehicles. The system automatically adjusts
the temperature, mode, and blower speed to provide
comfort as quickly as possible.
 The temperature can be displayed in US or Metric units
by selecting the US/Metric customer-programmable
feature.
To provide you with maximum comfort in the Automatic
mode during cold start-ups, the blower fan remains on low
until the engine warms up. The blower increases in speed
and transition into Auto mode.
Manual Operation Override
This system offers a full complement of manual override
features. The AUTO symbol in the front ATC display will be
turned off when the system is being used in the manual
mode.
CLIMATE VOICE COMMANDS
Adjust vehicle temperatures hands-free and keep
everyone comfortable while you keep moving ahead.
Push the VR button on the steering wheel. After the beep,
say one of the following commands:
 “Set the driver temperature to 70 degrees ”
 “Set the passenger temperature to 70 degrees ”
Did You Know: Voice Command for Climate may only be
used to adjust the interior temperature of your vehicle.
Voice Command will not work to adjust the heated seats
or steering wheel if equipped.
OPERATING TIPS
Refer to the chart at the end of this section for suggested
control settings for various weather conditions.
Summer Operation
The engine cooling system must be protected with a
high-quality antifreeze coolant to provide proper corrosion
protection and to protect against engine overheating.
OAT coolant (conforming to MS.90032) is recommended.
The driver or front passenger can combine
two or three of the modes described by
selecting them individually on the climate
control screen. Combine modes by
pressing each icon on the touchscreen.
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50GETTING TO KNOW YOUR VEHICLE
Winter Operation
To ensure the best possible heater and defroster
performance, make sure the engine cooling system is
functioning properly and the proper amount, type, and
concentration of coolant is used. Use of the Air
Recirculation mode during Winter months is not
recommended, because it may cause window fogging.
Vacation/Storage
For information on maintaining the Climate Control system
when the vehicle is being stored for an extended period of
time, see
Úpage 261.
Window Fogging
Vehicle windows tend to fog on the inside in mild, rainy,
and/or humid weather. To clear the windows, select
Defrost or Mix mode and increase the front blower speed.
Do not use the Recirculation mode without A/C for long
periods, as fogging may occur.
Outside Air Intake
Make sure the air intake, located directly in front of the
windshield, is free of obstructions, such as leaves. Leaves
collected in the air intake may reduce airflow, and if they
enter the air distribution box, they could plug the water
drains. In Winter months, make sure the air intake is clear
of ice, slush, and snow.
Cabin Air Filter
The Climate Control system filters out dust and pollen
from the air. Contact an authorized dealer to service your
cabin air filter, and to have it replaced when needed.
Operating Tips ChartINTERIOR STORAGE AND EQUIPMENT
STORAGE
Glove Compartment
The glove compartment is located on the passenger side
of the instrument panel.

Glove Compartment

To open the glove compartment, pull the release handle.
WEATHER CONTROL SETTINGS
Hot Weather And Vehicle
Interior Is Very Hot Set the mode control to
(Panel Mode),
(MAX A/C) on, and
blower on high. Roll down the windows for a minute to flush out the hot air. Adjust the controls as needed to achieve comfort.
Warm Weather Turn (A/C) on and set
the mode control to
(Panel Mode).
Cool Sunny Operate in (Bi-Level
Mode).
Cool & Humid Conditions Set the mode control to
(Mix Mode) and turn (A/C) on to keep
windows clear.
Cold Weather Set the mode control to
(Floor Mode). If
windshield fogging starts
to occur, move the control
to (Mix Mode).
WARNING!
Do not operate this vehicle with a glove compartment in
the open position. Driving with the glove compartment
open may result in injury in a collision.

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GETTING TO KNOW YOUR VEHICLE61
NOTE:
Before closing the liftgate, make sure to be in posses -
sion of the key fob because the liftgate may be locked.
 Use the interior door lock/unlock button on the door
panel or the key fob to lock and unlock the liftgate. The
manual door locks on the doors and the exterior door
lock cylinder will not lock and unlock the liftgate.
 The liftgate will either unlock along with the vehicle
doors, or it will need to be unlocked by pushing the
electronic liftgate release, depending on the selected
setting in the Uconnect system
Úpage 130.

 The power liftgate buttons will not operate if the vehicle
is in gear or the vehicle speed is above 0 mph (0 km/h).

 The power liftgate will not operate in temperatures
below −22°F (−30°C) or temperatures above 150°F
(65°C). Be sure to remove any buildup of snow or ice
from the liftgate before pushing any of the power lift -
gate switches.
 If anything obstructs the power liftgate while it is
closing or opening, the liftgate will automatically
reverse to the closed or open position. After multiple
obstructions in the same cycle, the liftgate will auto -
matically stop and must be opened or closed manually.
 There are pinch sensors attached to the side of the lift -
gate. Light pressure anywhere along these strips will
cause the liftgate to return to the open position.
 The power liftgate must be in the full open position in
order for the rear liftgate close button, on the located
on the base of the liftgate, to operate. If the liftgate is
not fully open, push the liftgate button on the key fob to
fully open the liftgate and then push it again to close. 
If the electronic liftgate release handle is pushed a
second time while the power liftgate is opening, the
liftgate motor will disengage to allow manual operation.
 If your liftgate is power closing and you put the vehicle
in gear, the liftgate will continue to power close.
However, vehicle movement may result in the detec -
tion of an obstruction.
 Allow the power system to open the liftgate. Manually
pushing or pulling the liftgate may activate the liftgate
obstacle detection feature and stop the power opera -
tion or reverse its direction.
ADJUSTABLE POWER LIFTGATE HEIGHT
The maximum height that the liftgate will open can be
adjusted and saved so that the liftgate will only open to the
desired height. To set a desired height, proceed as follows:

1. Open the liftgate fully, then manually pull down on the liftgate to the desired height.

2. Push and hold the liftgate close button or the lock button, which are both located on the bottom of
the liftgate, for three seconds. The turn signals will
flash three times to indicate successful activation.
The liftgate is now programmed to open to the set
position.
To set the saved height setting to one of four preset
positions, select the desired setting in Uconnect Settings
Úpage 130.
Power Liftgate Malfunction Procedure:

1. In the event of a power malfunction to the liftgate, the liftgate can be released by accessing the service
release feature in the latch. This can be done using
a 3 mm diameter screwdriver.

2. From inside the gate, an eyelet can be seen. Place the screwdriver in the eyelet.
3. Rotate the screwdriver handle to actuate the lever and release the latch.
4. If liftgate is left open for an extended period of time, the liftgate may need to be closed manually to reset
power liftgate functionality.
WARNING!
Driving with the liftgate open can allow poisonous
exhaust gases into your vehicle. You and your
passengers could be injured by these fumes.
Keep the liftgate closed when you are operating
the vehicle.
 If you are required to drive with the liftgate open,
make sure that all windows are closed, and the
climate control blower switch is set at high speed.
Do not use the recirculation mode.
 During power operation, personal injury or cargo
damage may occur. Ensure the liftgate travel path is
clear. Make sure the liftgate is closed and latched
before driving away.
 Personal injury or cargo damage may occur if caught
in the path of the liftgate. Make sure the liftgate path
is clear before activating the liftgate.
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68GETTING TO KNOW YOUR INSTRUMENT PANEL
Unstored Messages
This message type is displayed indefinitely or until the
condition that activated the message is cleared. Exam -
ples of this message type are “Turn Signal On” (if a turn
signal is left on) and “Lights On” (if driver leaves the
vehicle with the lights on).
 Unstored Messages Until RUN
These messages deal primarily with the Remote Start
feature. This message type is displayed until the igni -
tion is in the RUN state. Examples of this message type
are “Remote Start Canceled - Door Ajar” and
“Press Brake Pedal and Push Button to Start.”
 Five Second Unstored Messages
When the appropriate conditions occur, this type of
message takes control of the main display area for
five seconds and then returns to the previous screen.
An example of this message type is “Automatic High
Beams On.”
OIL CHANGE RESET
Use this QR code to access your digital
experience.
 Your vehicle is equipped with an
engine oil change indicator system.
A message will display in the instru -
ment cluster display for five
seconds to indicate the next sched -
uled oil change interval is due. The
engine oil change indicator system is duty cycle based,
which means the engine oil change interval may fluc -
tuate, dependent upon your personal driving style. 
Unless reset, this message will continue to display
each time the ignition is cycled to the ON/RUN position.
To reset the oil change indicator after performing the
scheduled maintenance, refer to the following procedure:

1. Without pressing the brake pedal, push the ENGINE START/STOP button and cycle the ignition to the
ON/RUN position (do not start the engine).

2. Fully press the accelerator pedal, slowly, three times within ten seconds.
3. Cycle the ignition to the OFF position.
NOTE:If the indicator message illuminates when you start the
vehicle, the oil change indicator system did not reset. If
necessary, repeat this procedure.
OIL CHANGE INDICATOR SYSTEM
Your vehicle is equipped with an engine oil change
indicator system. The “Oil Change Due” message will
display in the instrument cluster display for five seconds
after a single chime has sounded, to indicate the next
scheduled oil change interval. The engine oil change
indicator system is duty cycle based, which means the
engine oil change interval may fluctuate, dependent upon
your personal driving style.
GEAR SHIFT INDICATOR (GSI) —
I
F EQUIPPED
The GSI system is enabled on vehicles with a manual
transmission, or when a vehicle with an automatic
transmission is in manual shift mode. The GSI provides
the driver with a visual indication when the recommended gear shift point has been reached. This indication notifies
the driver that changing gear will allow a reduction in fuel
consumption. When the up shift indicator is shown on the
instrument cluster display, the GSI is advising the driver to
engage a higher gear. When the down shift indicator is
shown on the display, the GSI is advising the driver to
engage a lower gear.
The GSI remains illuminated until the driver changes
gears, or the driving conditions return to a situation where
changing gear is not required to improve fuel
consumption.
INSTRUMENT CLUSTER DISPLAY MENU
I
TEMS
The instrument cluster display can be used to view the
main menu items for several features. Use the up and
down arrow buttons to scroll through the driver
interactive display menu options until the desired menu is
reached.
NOTE:The instrument cluster display menu items display in the
center of the instrument cluster. Menu items may vary
depending on your vehicle features.
Main Menu
Use the Thumbwheel to scroll Up and Down through the
Menu options. Press the Thumbwheel to enter and exit the
highlighted menu option.
NOTE:These Menu options may vary based on your vehicles trim
level.

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GETTING TO KNOW YOUR INSTRUMENT PANEL71
The battery was recently replaced and was not charged
completely.
 The battery was discharged by an electrical load left on
when the vehicle was parked.
 The battery was used for an extended period with the
engine not running to supply radio, lights, chargers,
+12 Volts portable appliances like vacuum cleaners,
game consoles and similar devices.
What to do when an electrical load reduction action
message is present (“Battery Saver On” or
“Battery Saver Mode”)
During a trip:
 Reduce power to unnecessary loads if possible:
 Turn off redundant lights (interior or exterior)
 Check what may be plugged into power outlets
+12 Volts, 150W, USB ports
 Check HVAC settings (blower, temperature)
 Check the audio settings (volume)
After a trip:
 Check if any aftermarket equipment was installed
(additional lights, upfitter electrical accessories,
audio systems, alarms) and review specifications if any
(load and Ignition Off Draw currents).
 Evaluate the latest driving cycles (distance, driving
time and parking time).
 The vehicle should have service performed if the
message is still present during consecutive trips and
the evaluation of the vehicle and driving pattern did not
help to identify the cause.WARNING LIGHTS AND MESSAGES
The warning/indicator lights will illuminate in the
instrument panel together with a dedicated message and/
or acoustic signal when applicable. These indications are
indicative and precautionary and as such must not be
considered as exhaustive and/or alternative to the
information contained in the Owner’s Manual, which you
are advised to read carefully in all cases. Always refer to
the information in this chapter in the event of a failure
indication. All active telltales will display first if applicable.
The system check menu may appear different based upon
equipment options and current vehicle status. Some
telltales are optional and may not appear.
RED WARNING LIGHTS
Air Bag Warning Light
This warning light will illuminate to indicate a
fault with the air bag, and will turn on for four to
eight seconds as a bulb check when the
ignition is placed in the ON/RUN position. This
light will illuminate with a single chime when a fault with
the air bag has been detected, it will stay on until the fault
is cleared. If the light is either not on during startup, stays
on, or turns on while driving, have the system inspected at
an authorized dealer as soon as possible.
Brake Warning Light
This warning light monitors various brake
functions, including brake fluid level and
parking brake application. If the brake light
turns on it may indicate that the parking brake
is applied, that the brake fluid level is low, or that there is
a problem with the Anti-Lock Brake System reservoir. If the light remains on when the parking brake has been
disengaged, and the fluid level is at the full mark on the
master cylinder reservoir, it indicates a possible brake
hydraulic system malfunction or that a problem with the
Brake Booster has been detected by the Anti-Lock Brake
System (ABS) / Electronic Stability Control (ESC) system.
In this case, the light will remain on until the condition has
been corrected. If the problem is related to the brake
booster, the ABS pump will run when applying the brake,
and a brake pedal pulsation may be felt during each stop.
The dual brake system provides a reserve braking capacity
in the event of a failure to a portion of the hydraulic
system. A leak in either half of the dual brake system is
indicated by the Brake Warning Light, which will turn on
when the brake fluid level in the master cylinder has
dropped below a specified level.
The light will remain on until the cause is corrected.
NOTE:The light may flash momentarily during sharp cornering
maneuvers, which change fluid level conditions. The
vehicle should have service performed, and the brake
fluid level checked.
If brake failure is indicated, immediate repair is necessary.
WARNING!
Driving a vehicle with the red brake light on is
dangerous. Part of the brake system may have failed.
It will take longer to stop the vehicle. You could have a
collision. Have the vehicle checked immediately.
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