GMC SIERRA DENALI 2005 Owners Manual

CHANGE ENGINE OIL
This message is displayed for 10 seconds at the start of
each ignition cycle when the engine oil needs to be
changed.
When you change the engine oil, be sure to reset the
CHANGE ENGINE OIL message. SeeEngine Oil
Life System on page 5-17,Engine Oil on page 5-14and
Scheduled Maintenance on page 6-4for more
information.
CHARGING SYSTEM FAILURE
On some vehicles, if there is a problem with the
generator and battery charging system, this message
will appear on the DIC, a chime will sound and the
battery warning light on the instrument panel cluster will
come on. Driving with this problem could drain your
battery. Turn off all unnecessary accessories. Stop and
turn off the vehicle as soon as it is safe to do so.
Have the electrical system checked by your GM dealer
immediately. SeeBattery Warning Light on page 3-31
andVoltmeter Gage on page 3-31for more information.
CHECK OIL LEVEL
If the oil level in the vehicle is low, this message will
appear on the DIC. Check the oil level and correct it as
necessary. You may need to let the vehicle cool or
warm up and cycle the ignition to be sure this message
will clear. The message will be displayed for 10 seconds
at the start of each ignition cycle when the oil needs
to checked. Once the problem is corrected, pressing any
of the four DIC buttons, if equipped, will acknowledge
the message and clear it from the DIC display. If
your vehicle is not equipped with the four DIC buttons,
pressing the trip odometer reset stem will acknowledge
the message and clear it from the DIC display.
CHECK WASHER FLUID
If the washer uid level is low, this message will appear
on the DIC. Adding washer uid will clear the message.
SeeWindshield Washer Fluid on page 5-36. The
message will be displayed for 10 seconds at the start of
each ignition cycle when the washer uid is low. Pressing
any of the four DIC buttons, if equipped, will acknowledge
the message and clear it from the DIC display. If your
vehicle is not equipped with the four DIC buttons,
pressing the trip odometer reset stem will acknowledge
the message and clear it from the DIC display.
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DRIVER DOOR AJAR
If the driver’s door is not fully closed, this message will
appear on the display and you will hear a chime.
Stop and turn off the vehicle, check the door for
obstacles and close the door again. Check to see if the
message still appears on the DIC. Pressing any of
the four DIC buttons, if equipped, will acknowledge the
message and clear it from the DIC display. If your
vehicle is not equipped with the four DIC buttons,
pressing the trip odometer reset stem will acknowledge
the message and clear it from the DIC display.
ENGINE COOLANT HOT
If the cooling system temperature gets hot, this message
will appear in the DIC. Stop the vehicle and let the
engine idle in PARK (P) to allow the coolant to reach a
safe temperature. This message will clear when the
coolant temperature drops to safe operating
temperature. Also, pressing any of the four DIC buttons,
if equipped, will acknowledge the message and clear
it from the DIC display. If your vehicle is not equipped
with the four DIC buttons, pressing the trip odometer
reset stem will acknowledge the message and clear it
from the DIC display.
ENGINE OVERHEATED
If the engine cooling system reaches unsafe
temperatures for operation, this message will appear in
the DIC and you will hear a chime. Stop and turn off
the vehicle as soon as it is safe to do so to avoid severe
damage. This message will clear when the engine
has cooled to a safe operating temperature.
Notice:If you drive your vehicle while the engine is
overheating, severe engine damage may occur. If
an overheat warning appears on the instrument
panel cluster and/or DIC, stop the vehicle as soon
as possible. Do not increase the engine speed above
normal idling speed. SeeEngine Overheating on
page 5-26for more information.
FUEL LEVEL LOW
If the fuel level is low, this message will appear on the
DIC and you will hear a chime. Refuel as soon as
possible. The message will be displayed for 10 seconds
at the start of each ignition cycle when the fuel level is
low. Pressing any of the four DIC buttons, if equipped, will
acknowledge the message and clear it from the DIC
display. If your vehicle is not equipped with the four DIC
buttons, pressing the trip odometer reset stem will
acknowledge the message and clear it from the DIC
display. SeeFuel Gage on page 3-41andFuel on
page 5-5.
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KEYFOB X BATTERY LOW
If a remote keyless entry transmitter battery is low, this
message will appear on the DIC. The battery needs to be
replaced in the transmitter. See “Battery Replacement”
underRemote Keyless Entry System Operation on
page 2-4. Pressing any of the four DIC buttons, if
equipped, will acknowledge the message and clear it
from the DIC display. If your vehicle is not equipped with
the four DIC buttons, pressing the trip odometer reset
stem will acknowledge the message and clear it from the
DIC display.
LOW COOLANT LEVEL
If your vehicle is equipped with a low coolant level sensor,
this message will appear on the DIC if the engine coolant
level is low. Adding coolant will clear the message. See
Cooling System on page 5-29. Pressing any of the
four DIC buttons, if equipped, will acknowledge the
message and clear it from the DIC display. If your vehicle
is not equipped with the four DIC buttons, pressing the
trip odometer reset stem will acknowledge the message
and clear it from the DIC display.
Notice:Engine damage from running your engine
without coolant is not covered by your warranty. See
“Overheated Engine Protection Operating Mode”
in the Index for information on driving to a safe
place in an emergency.
OIL LIFE RESET
This message will appear on the display for about
10 seconds after resetting the change engine oil
message. See “Engine Oil Life System” underDIC
Operation and Displays on page 3-43andEngine Oil on
page 5-14for more information.
OIL PRESSURE LOW
If low oil pressure levels occur, this message will be
displayed on the DIC and a chime will sound. Stop the
vehicle as soon as safely possible and do not operate
it until the cause of the low oil pressure has been
corrected. Check your oil as soon as possible and have
your vehicle serviced by your GM dealer.
Notice:If you drive your vehicle while the engine
oil pressure is low, severe engine damage may
occur. If a low oil pressure warning appears on the
Driver Information Center (DIC), stop the vehicle
as soon as possible. Do not drive the vehicle until
the cause of the low oil pressure is corrected.
SeeEngine Oil on page 5-14for more information.
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PASSENGER DOOR AJAR
If the passenger’s door is not fully closed, this message
will appear on the display and you will hear a chime.
Stop and turn off the vehicle, check the door for
obstacles and close the door again. Check to see if the
message still appears on the DIC. Pressing any of
the four DIC buttons, if equipped, will acknowledge the
message and clear it from the DIC display. If your
vehicle is not equipped with the four DIC buttons,
pressing the trip odometer reset stem will acknowledge
the message and clear it from the DIC display.
REDUCED ENGINE POWER
This message is displayed when the cooling system
temperature gets too hot and the engine further enters
the engine coolant protection mode. SeeEngine
Overheating on page 5-26for more information.
SERVICE 4WD
If a problem occurs with the four-wheel-drive system, this
message will appear on the DIC. If this message
appears, stop as soon as possible and turn off the
vehicle. Restart the vehicle and check for the message
on the DIC display. If the message is still displayed or
appears again when you begin driving, the
four-wheel-drive system needs service. See your
GM dealer. Pressing any of the four DIC buttons, if
equipped, will acknowledge the message and clear it
from the DIC display. If your vehicle is not equipped with
the four DIC buttons, pressing the trip odometer reset
stem will acknowledge the message and clear it from the
DIC display.
SERVICE AIRBAG
If there is a problem with the airbag system, this message
will be displayed on the DIC. Have your GM dealer
inspect the system for problems. SeeAirbag Readiness
Light on page 3-29andAirbag System on page 1-48for
more information. Pressing any of the four DIC buttons, if
equipped, will acknowledge the message and clear it
from the DIC display. If your vehicle is not equipped with
the four DIC buttons, pressing the trip odometer reset
stem will acknowledge the message and clear it from the
DIC display.
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SERVICE BRAKE BOOSTER
If your vehicle has vacuum assist power brakes, this
message will be displayed on the DIC when there is a
problem with the Supplemental Brake Assist system.
If the message is displayed immediately after starting
the vehicle or the message appears while driving,
your Supplemental Brake Assist system needs service.
See your GM dealer. SeeBrake System Warning
Light on page 3-32.
{CAUTION:
Your brake system may not be working
properly if the SERVICE BRAKE BOOSTER
message is displayed.
If the brake system warning light is also on,
you should have the vehicle towed for service.
SeeBrake System Warning Light on page 3-32.
CAUTION: (Continued)
CAUTION: (Continued)
If the brake system warning light is not on, you
still have brakes, but the supplemental brake
assist system may not operate properly. In the
event of a vacuum loss, you may not have
vacuum power assist for braking. The brake
pedal will be harder to push and it will take
longer to stop. If you continue to drive with
this message displayed it can lead to a crash.
Have the brake system serviced as soon as
possible.
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SERVICE BRAKE SYSTEM
If there is a problem with the brake system, this
message will be displayed on the DIC. If this message
appears, stop as soon as possible and turn off the
vehicle. Restart the vehicle and check for the message
on the DIC display. If the message is still displayed
or appears again when you begin driving, the brake
system needs service. See your GM dealer.
SERVICE CHARGING SYSTEM
On some vehicles, if there is a problem with the battery
charging system, this message will appear on the
DIC. Under certain conditions, the battery warning light
may also turn on in the instrument panel cluster.
SeeBattery Warning Light on page 3-31. The battery
will not be charging at an optimal rate and the vehicle
will lose the ability to enter the fuel economy mode. The
vehicle is safe to drive, however you should have the
electrical system checked by your GM dealer. Pressing
any of the four DIC buttons, if equipped, will
acknowledge the message and clear it from the DIC
display. If your vehicle is not equipped with the four DIC
buttons, pressing the trip odometer reset stem will
acknowledge the message and clear it from the DIC
display.
SERVICE RIDE CONTROL
If a problem occurs with the suspension system, this
message will appear on the DIC. If this message
appears, stop and turn off the vehicle. Restart the
vehicle and check for the message on the DIC display.
If the message is still displayed or appears again
when you begin to drive, the air suspension system
needs service. See your GM dealer.
TIGHTEN FUEL CAP
If the vehicle’s fuel cap is not tightened properly, this
message may appear along with the check engine light
on the instrument panel. SeeMalfunction Indicator
Lamp on page 3-36. Reinstall the fuel cap fully. See
Filling Your 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 will
allow fuel to evaporate into the atmosphere. A few
driving trips with the cap properly installed should turn
the light and message off.
3-52

TRANS HOT IDLE ENGINE
If the transmission uid in the vehicle gets hot, this
message will appear on the DIC and you will hear a
chime. The chime will stop when the transmission uid
temperature is less that 265°F (129°C). Driving with
the transmission uid temperature high can cause
damage to the vehicle. Stop the vehicle and let it idle to
allow the transmission to cool. This message will
clear when the uid temperature reaches a safe level.
SeeTransmission Temperature Gage on page 3-34.
Notice:If you drive your vehicle while the
transmission uid is overheating and the
transmission temperature warning is displayed on
the instrument panel cluster and/or DIC, you
can damage the transmission. This could lead to
costly repairs that would not be covered by
your warranty. Do not drive your vehicle with
overheated transmission uid or while transmission
temperature warning is displayed.
TRANSMISSION HOT
If the transmission uid temperature becomes high, this
message will appear on the DIC display.
When the transmission enters the protection mode, you
may notice a change in the transmission shifting
patterns. When the transmission uid temperature
returns to normal, the display will turn off and the
transmission shifting patterns will return to normal.Notice:If you drive your vehicle while the
transmission uid is overheating and the
transmission temperature warning is displayed on
the instrument panel cluster and/or DIC, you
can damage the transmission. This could lead to
costly repairs that would not be covered by
your warranty. Do not drive your vehicle with
overheated transmission uid or while transmission
temperature warning is displayed.
The following situations can cause the transmission to
operate at higher temperatures:
Towing a trailer
Hot outside air temperatures
Hauling a large or heavy load
Over-loading
Low transmission uid level
High transmission uid level
Restricted air ow to the radiator and the auxiliary
transmission oil cooler
A temporary solution to hotter transmission operating
temperatures may be to let the transmission cool down.
If the transmission is operated at higher temperatures
on a frequent basis, seeScheduled Maintenance
on page 6-4for the proper transmission maintenance
intervals.
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TURN SIGNAL ON
If a turn signal is left on for 3/4 of a mile (1.2 km), this
message will appear on the display and you will hear a
chime. Move the turn signal/multifunction lever to the
off position. Pressing any of the four DIC buttons,
if equipped, will acknowledge the message and clear it
from the DIC display. If your vehicle is not equipped
with the four DIC buttons, pressing the trip odometer
reset stem will acknowledge the message and clear it
from the DIC display.
DIC Vehicle Customization
Your vehicle may have customization capabilities that
allow you to program some features to one setting
based on your preference. All of the customizable
options listed may not be available on your vehicle. Only
the options available will be displayed on your Driver
Information Center (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.
To change feature preferences, make sure the ignition
is on and the vehicle is in PARK (P). Press the
customization button to scroll through the available
customizable options.After pressing the customization button, VEHICLE
SETTINGS will momentarily display before going to a
customization option.
Lock Doors
Press the customization button until LOCK DOORS
appears in the display. To select your preference
for automatic locking, press the select button while
LOCK DOORS is displayed on the DIC. Pressing the
select button will scroll through the following choices:
LOCK DOORS: IN GEAR (default):The doors will lock
when the vehicle is shifted out of PARK (P).
LOCK DOORS: WITH SPEED:The doors will lock
when the vehicle speed is above 8 mph (13 km/h) for
three seconds.
Choose one of the available options and press the
customization button while it is displayed on the DIC to
select it and move on to the next feature. For more
information on automatic door locks, seeProgrammable
Automatic Door Locks on page 2-9.
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Unlock Doors
Press the customization button until UNLOCK DOORS
appears in the display. To select your preference for
automatic unlocking, press the select button while
UNLOCK DOORS is displayed on the DIC. Pressing the
select button will scroll through the following choices:
UNLOCK DOORS: IN PARK (default):All of the doors
will unlock when the vehicle is shifted into PARK (P).
UNLOCK DRIVER: IN PARK:The driver’s door will be
unlocked when the vehicle is shifted into PARK (P).
UNLOCK DOORS: KEY OUT:All of the doors
will unlock when the key is taken out of the ignition.
UNLOCK DOORS: MANUALLY:The doors will not be
unlocked automatically.
Choose one of the available options and press the
customization button while it is displayed on the DIC to
select it and move on to the next feature. For more
information on automatic door locks, seeProgrammable
Automatic Door Locks on page 2-9.
Door Lock Delay
If your DIC does not have this feature, you can still
program the delayed locking feature. SeeDelayed
Locking on page 2-8for more information.When locking the doors with the power lock switch or
the keyless entry transmitter and a door is open,
the delayed locking feature will delay locking the doors
until ve seconds after the last door is closed.
Press the customization button until DOOR LOCK
DELAY appears in the display. To select your
preference for delayed locking, press the select button
while DOOR LOCK DELAY is displayed on the DIC.
Pressing the select button will scroll through the
following choices:
DOOR LOCK DELAY: OFF (default):The doors will
lock immediately when pressing the power lock switch or
the lock button on the keyless entry transmitter.
DOOR LOCK DELAY: ON:The doors will not lock until
ve seconds after the last door is closed. You will
hear three chimes to signal that the delayed locking
feature is in use. You can temporarily override delayed
locking by pressing the lock button on the door or
keyless entry transmitter a second time.
Choose one of the available options and press the
customization button while it is displayed on the DIC to
select it and move on to the next feature. For more
information on automatic door locks, seeProgrammable
Automatic Door Locks on page 2-9.
This feature will not operate if the key is in the ignition.
3-55

Lock Feedback
Press the customization button until LOCK FEEDBACK
appears in the display. To select your preference for
the feedback you receive when locking the vehicle with
the remote keyless entry transmitter, press the select
button while LOCK FEEDBACK is displayed on the DIC.
Pressing the select button will scroll through the
following choices:
LOCK FEEDBACK: BOTH (default):The parking
lamps will ash each time you press the button with the
lock symbol on the remote keyless entry transmitter
and the horn will chirp the second time you press the
lock button.
LOCK FEEDBACK: LAMPS:The parking lamps will
ash each time you press the button with the lock
symbol on the remote keyless entry transmitter.
LOCK FEEDBACK: HORN:The horn will chirp the
second time you press the button with the lock symbol
on the remote keyless entry transmitter.
LOCK FEEDBACK: OFF:There will be no feedback
when locking the vehicle.
Choose one of the available options and press the
customization button while it is displayed on the DIC to
select it and move on to the next feature.
Unlock Feedback
Press the customization button until UNLOCK
FEEDBACK appears in the display. To select your
preference for the feedback you will receive when
unlocking the vehicle with the remote keyless entry
transmitter, press the select button while UNLOCK
FEEDBACK is displayed on the DIC. Pressing the select
button will scroll through the following choices:
UNLOCK FEEDBACK: LAMPS (default):The parking
lamps will ash each time you press the button with
the unlock symbol on the remote keyless entry
transmitter.
UNLOCK FEEDBACK: HORN:The horn will chirp the
second time you press the button with the unlock
symbol on the remote keyless entry transmitter.
UNLOCK FEEDBACK: BOTH:The parking lamps will
ash each time you press the button with the unlock
symbol on the remote keyless entry transmitter and the
horn will chirp the second time you press the unlock
button.
UNLOCK FEEDBACK: OFF:There will be no feedback
when unlocking the vehicle.
Choose one of the available options and press the
customization button while it is displayed on the DIC to
select it and move on to the next feature.
3-56