ignition CADILLAC ESCALADE ESV 2008 Service Manual

Engine Coolant Temperature Gage This gage shows the
engine coolant
temperature.
If the indicator on the gage moves towards the shaded
in thermostat, it means that your engine coolant has
overheated. If you have been operating your vehicle
under normal driving conditions, you should pull off the
road, stop your vehicle and turn off the engine as
soon as possible.
See Engine Overheating on page 5-26 . Tire Pressure Light This light comes on briey
when the engine is started.
This light will also come on when one or more of your
tires are signicantly underinated.
A tire pressure message in the Driver Information Center
(DIC), may accompany the light. See DIC Warnings and
Messages on page 3-53 for more information.
Stop and check your tires as soon as it is safe to do so.
If underinated, inate to the proper pressure. See
Tires on page 5-56 for more information.
If a problem is detected with the Tire Pressure Monitor
System, this light will ash for approximately
60 seconds and then stay on solid for the remainder of
the ignition cycle. See Tire Pressure Monitor System
on page 5-64 for more information.
3-42

Malfunction Indicator Lamp Check Engine Light A computer system called OBD II (On-Board
Diagnostics-Second Generation) monitors operation of
the fuel, ignition, and emission control systems. It makes
sure that emissions are at acceptable levels for the
life of the vehicle, helping to produce a cleaner
environment.
The check engine light
comes on to indicate that
there is an OBD II
problem and service is
required.
Malfunctions often are indicated by the system before
any problem is apparent. This can prevent more serious
damage to your vehicle. This system is also designed
to assist your service technician in correctly diagnosing
any malfunction.
Notice: If you keep driving your vehicle with this
light on, after a while, the emission controls
might not work as well, your vehicle’s fuel economy might not be as good, and the engine might not run
as smoothly. This could lead to costly repairs
that might not be covered by your warranty.
Notice: Modications made to the engine,
transmission, exhaust, intake, or fuel system of
your vehicle or the replacement of the original tires
with other than those of the same Tire Performance
Criteria (TPC) can affect your vehicle’s emission
controls and can cause this light to come on.
Modications to these systems could lead to costly
repairs not covered by your warranty. This could
also result in a failure to pass a required Emission
Inspection/Maintenance test. See Accessories
and Modifications on page 5-3 .
This light comes on, as a check to show it is working,
when the ignition is turned ON/RUN but the engine is not
running. If the light does not come on, have it repaired.
This light also comes on during a malfunction in
one of two ways:
Light Flashing — A misre condition has been
detected. A misre increases vehicle emissions
and could damage the emission control system on
your vehicle. Diagnosis and service might be
required.
Light On Steady — An emission control system
malfunction has been detected on your vehicle.
Diagnosis and service might be required.
3-43

If the Light is Flashing The following can prevent more serious damage to your
vehicle:
Reduce vehicle speed.
Avoid hard accelerations.
Avoid steep uphill grades.
If you are towing a trailer, reduce the amount of
cargo being hauled as soon as it is possible.
If the light stops ashing and remains on steady, see “If
the Light Is On Steady” following.
If the light continues to ash, when it is safe to do so,
stop the vehicle. Find a safe place to park the vehicle.
Turn the ignition off, wait at least 10 seconds, and restart
the engine. If the light remains on steady, see “If the
Light Is On Steady” following. If the light is still ashing,
follow the previous steps and see your dealer/retailer
for service as soon as possible. If the Light Is On Steady You might be able to correct the emission system
malfunction by considering the following:
Did you recently put fuel into your vehicle?
If so, reinstall the fuel cap, making sure to fully install
the cap. See Filling the Tank on page 5-7 . The
diagnostic system can determine if the fuel cap has
been left off or improperly installed. A loose or missing
fuel cap allows fuel to evaporate into the atmosphere.
A few driving trips with the cap properly installed should
turn the light off.
Did you just drive through a deep puddle of water?
If so, your vehicle’s electrical system might be wet. The
condition is usually corrected when the electrical system
dries out. A few driving trips should turn the light off.
3-44

Fuel Gage When the ignition is on,
the fuel gage tells you
about how much fuel you
have left in your tank.
The gage will rst indicate empty before you are out of
fuel, and you should get more fuel as soon as possible.
Here are some situations you may experience with your
fuel gage. None of these indicate a problem with the
fuel gage.
At the gas station, the fuel pump shuts off before
the gage reads full.
It takes a little more or less fuel to ll up than the
fuel gage indicated. For example, the gage may
have indicated the tank was half full, but it actually
took a little more or less than half the tank’s
capacity to ll the tank.
The gage goes back to empty when you turn off the
ignition. Driver Information Center (DIC) Your vehicle has a Driver Information Center (DIC).
The DIC displays information about your vehicle. It also
displays warning messages if a system problem is
detected. The DIC also allows some features to
be customized. See DIC Vehicle Customization on
page 3-61 for more information.
All messages will appear in the DIC display located in
the center of the instrument panel cluster.
The DIC comes on when the ignition is on. After a short
delay, the DIC will display the information that was
last displayed before the engine was turned off.
See DIC Operation and Displays on page 3-49 and DIC
Vehicle Customization on page 3-61 for the displays
available.
3-48

Timer Press the trip/fuel button until TIMER displays. This
display can be used as a timer.
To start the timer, press the set/reset button while
TIMER is displayed. The display will show the amount
of time that has passed since the timer was last
reset, not including time the ignition is off. Time will
continue to be counted as long as the ignition is
on, even if another display is being shown on the DIC.
The timer will record up to 99 hours, 59 minutes
and 59 seconds (99:59:59) after which the display will
return to zero.
To stop the timer, press the set/reset button briey while
TIMER is displayed.
To reset the timer to zero, press and hold the set/reset
button while TIMER is displayed.
Transmission Temperature Press the trip/fuel button until TRANS TEMP displays.
This display shows the temperature of the automatic
transmission uid in either degrees Fahrenheit (°F) or
degrees Celsius (°C).
Blank Display
This display shows no information. Vehicle Information Menu Items
T (Vehicle Information): Press this button to scroll
through the following menu items:
Oil Life Press the vehicle information button until OIL LIFE
REMAINING displays. This display shows an estimate
of the oil’s remaining useful life. If you see 99% OIL LIFE
REMAINING on the display, that means 99% of the
current oil life remains. The engine oil life system
will alert you to change the oil on a schedule consistent
with your driving conditions.
When the remaining oil life is low, the CHANGE
ENGINE OIL SOON message will appear on the display.
See “CHANGE ENGINE OIL SOON” under DIC
Warnings and Messages on page 3-53 . You should
change the oil as soon as you can. See Engine Oil on
page 5-14 . In addition to the engine oil life system
monitoring the oil life, additional maintenance is
recommended in the Maintenance Schedule in this
manual. See Scheduled Maintenance on page 6-4 for
more information.
3-51

PASSENGER DOOR OPEN This message displays and a chime sounds if the
passenger door is not fully closed and the vehicle is in a
drive gear. Stop and turn off the vehicle, check the
door for obstructions, and close the door again. Check
to see if the message still appears on the DIC.
REAR ACCESS OPEN This message displays and a chime sounds if the
liftgate or liftglass is open while the ignition is in
ON/RUN. Turn off the vehicle and check the liftgate and
liftglass. Restart the vehicle and check for the message
on the DIC display.
REMOTE KEY LEARNING ACTIVE This message displays while you are matching a
Remote Keyless Entry (RKE) transmitter to your vehicle.
See “Matching Transmitter(s) to Your Vehicle” under
Remote Keyless Entry (RKE) System Operation
on page 2-4 and DIC Operation and Displays on
page 3-49 for more information.
REPLACE BATTERY IN REMOTE KEY This message displays if a Remote Keyless Entry (RKE)
transmitter battery is low. The battery needs to be
replaced in the transmitter. See “Battery Replacement”
under Remote Keyless Entry (RKE) System Operation
on page 2-4 . RIGHT REAR DOOR OPEN This message displays and a chime sounds if the
passenger side rear door is not fully closed and the
vehicle is in a drive gear. Stop and turn off the vehicle,
check the door for obstructions, and close the door again.
Check to see if the message still appears on the DIC.
SERVICE AIR BAG This message displays if there is a problem with the
airbag system. Have your dealer/retailer inspect
the system for problems. See Airbag Readiness Light
on page 3-36 and Airbag System on page 1-76 for more
information.
SERVICE BATTERY CHARGING
SYSTEM On some vehicles, this message displays if there is a
problem with the battery charging system. Under certain
conditions, the charging system light may also turn
on in the instrument panel cluster. See Charging System
Light on page 3-39 . Driving with this problem could
drain the battery. Turn off all unnecessary accessories.
Have the electrical system checked as soon as
possible. See your dealer/retailer.
3-57

SERVICE TIRE MONITOR SYSTEM This message displays if a part on the Tire Pressure
Monitor System (TPMS) is not working properly. The tire
pressure light also ashes and then remains on during
the same ignition cycle. See Tire Pressure Light on
page 3-42 . Several conditions may cause this message
to appear. See Tire Pressure Monitor Operation on
page 5-65 for more information. If the warning comes on
and stays on, there may be a problem with the TPMS.
See your dealer/retailer.
SERVICE TRACTION CONTROL If your vehicle has StabiliTrak ®
, this message displays
when there is a problem with the Traction Control
System (TCS). When this message displays, the system
will not limit wheel spin. Adjust your driving accordingly.
See your dealer/retailer for service. See StabiliTrak ®
System on page 4-6 for more information.
STABILITRAK OFF If your vehicle has StabiliTrak ®
, this message displays
when you turn off StabiliTrak ®
, or when the stability
control has been automatically disabled. To limit wheel
spin and realize the full benets of the stability
enhancement system, you should normally leave
StabiliTrak ®
on. However, you should turn StabiliTrak ®
off if your vehicle gets stuck in sand, mud, ice, or snow and you want to rock your vehicle to attempt to
free it, or if you are driving in extreme off-road conditions
and require more wheel spin. See If Your Vehicle is
Stuck in Sand, Mud, Ice, or Snow on page 4-33 . To turn
the StabiliTrak ®
system on or off, see StabiliTrak ®
System on page 4-6 .
There are several conditions that can cause this
message to appear.
One condition is overheating, which could occur if
StabiliTrak ®
activates continuously for an extended
period of time.
The message also displays if the brake system
warning light is on. See Brake System Warning
Light on page 3-40 .
The message could display if the stability system
takes longer than usual to complete its diagnostic
checks due to driving conditions.
The message displays if an engine or vehicle
related problem has been detected and the vehicle
needs service. See your dealer/retailer.
The message turns off as soon as the conditions that
caused the message to be displayed are no longer
present.
3-59

WASHER FLUID LOW ADD FLUID This message displays when the windshield washer
uid is low. Fill the windshield washer uid reservoir as
soon as possible. See Engine Compartment Overview
on page 5-12 for the location of the windshield
washer uid reservoir. Also, see Windshield Washer
Fluid on page 5-35 for more information.
DIC Vehicle Customization Your vehicle may have customization capabilities that
allow you to program certain features to one preferred
setting. Customization features can only be programmed
to one setting on the vehicle and cannot be programmed
to a preferred setting for two different drivers.
All of the customization options may not be available on
your vehicle. Only the options available will be
displayed on the DIC.
The default settings for the customization features were
set when your vehicle left the factory, but may have
been changed from their default state since then.
The customization preferences are automatically
recalled.
To change customization preferences, use the following
procedure. Entering the Feature Settings Menu 1. Turn the ignition on and place the vehicle in
PARK (P).
To avoid excessive drain on the battery, it is
recommended that the headlamps are turned off.
2. Press the customization button to scroll through the
available customizable options.
Feature Settings Menu Items The following are customization features that allow you
to program settings to the vehicle:
DISPLAY IN ENGLISH This feature will only display if a language other than
English has been set. This feature allows you to change
the language in which the DIC messages appear to
English.
Press the customization button until the PRESS
V TO
DISPLAY IN ENGLISH screen appears on the DIC
display. Press the set/reset button once to display all
DIC messages in English.
3-61

AUTO DOOR UNLOCK This feature allows you to select whether or not to turn
off the automatic door unlocking feature. It also
allows you to select which doors and when the doors
will automatically unlock. See Programmable Automatic
Door Locks on page 2-11 for more information.
Press the customization button until AUTO DOOR
UNLOCK appears on the DIC display. Press the
set/reset button once to access the settings for this
feature. Then press the customization button to scroll
through the following settings:
OFF: None of the doors will automatically unlock.
DRIVER AT KEY OUT: Only the driver’s door will
unlock when the key is taken out of the ignition.
DRIVER IN PARK: Only the driver’s door will unlock
when the vehicle is shifted into PARK (P).
ALL AT KEY OUT: All of the doors will unlock when
the key is taken out of the ignition.
ALL IN PARK (default): All of the doors will unlock
when the vehicle is shifted into PARK (P).
NO CHANGE: No change will be made to this feature.
The current setting will remain.
To select a setting, press the set/reset button while the
desired setting is displayed on the DIC. REMOTE DOOR LOCK This feature allows you to select the type of feedback
you will receive when locking the vehicle with the
Remote Keyless Entry (RKE) transmitter. You will not
receive feedback when locking the vehicle with the RKE
transmitter if the doors are open. See Remote Keyless
Entry (RKE) System Operation on page 2-4 for more
information.
Press the customization button until REMOTE DOOR
LOCK appears on the DIC display. Press the set/reset
button once to access the settings for this feature.
Then press the customization button to scroll through
the following settings:
OFF: There will be no feedback when you press the
lock button on the RKE transmitter.
LIGHTS ONLY: The exterior lamps will ash when you
press the lock button on the RKE transmitter.
HORN ONLY: The horn will sound on the second press
of the lock button on the RKE transmitter.
HORN & LIGHTS (default): The exterior lamps will ash
when you press the lock button on the RKE transmitter,
and the horn will sound when the lock button is pressed
again within ve seconds of the previous command.
NO CHANGE: No change will be made to this feature.
The current setting will remain.
To select a setting, press the set/reset button while the
desired setting is displayed on the DIC.
3-63

REMOTE DOOR UNLOCK This feature allows you to select the type of feedback
you will receive when unlocking the vehicle with
the Remote Keyless Entry (RKE) transmitter. You will
not receive feedback when unlocking the vehicle
with the RKE transmitter if the doors are open. See
Remote Keyless Entry (RKE) System Operation
on page 2-4 for more information.
Press the customization button until REMOTE DOOR
UNLOCK appears on the DIC display. Press the
set/reset button once to access the settings for this
feature. Then press the customization button to scroll
through the following settings:
LIGHTS OFF: The exterior lamps will not ash when
you press the unlock button on the RKE transmitter.
LIGHTS ON (default): The exterior lamps will
ash when you press the unlock button on the RKE
transmitter.
NO CHANGE: No change will be made to this feature.
The current setting will remain.
To select a setting, press the set/reset button while the
desired setting is displayed on the DIC. DELAY DOOR LOCK This feature allows you to select whether or not the
locking of the vehicle’s doors and liftgate will be delayed.
When locking the doors and liftgate with the power
door lock switch and a door or the liftgate is open, this
feature will delay locking the doors and liftgate until
ve seconds after the last door is closed. You will hear
three chimes to signal that the delayed locking
feature is in use. The key must be out of the ignition for
this feature to work. You can temporarily override
delayed locking by pressing the power door lock switch
twice or the lock button on the RKE transmitter twice.
See Delayed Locking on page 2-11 for more information.
Press the customization button until DELAY DOOR
LOCK appears on the DIC display. Press the set/reset
button once to access the settings for this feature.
Then press the customization button to scroll through
the following settings:
OFF: There will be no delayed locking of the
vehicle’s doors.
ON (default): The doors will not lock until ve seconds
after the last door or the liftgate is closed.
NO CHANGE: No change will be made to this feature.
The current setting will remain.
To select a setting, press the set/reset button while the
desired setting is displayed on the DIC.
3-64