
ENGINE OIL LIFE
If your vehicle has this display, it shows the estimated
oil life remaining. If you see 99% ENGINE OIL LIFE
on the display, that means that 99% of the current oil
life remains.
When the oil life is depleted, the CHANGE ENGINE OIL
SOON message will appear on the display. You
should change your oil as soon as possible. In addition
to the engine oil life system monitoring the oil life,
additional maintenance is recommended in the
Maintenance Schedule in this manual. SeeScheduled
Maintenance on page 6-4andEngine Oil on page 5-18.
After an oil change, reset the ENGINE OIL LIFE
display. To reset, seeEngine Oil Life System on
page 5-22. The display will show 100% ENGINE OIL
LIFE after it has been reset. Also clear the CHANGE
ENGINE OIL SOON message from the display.
ENGLISH DISPLAY UNITS (METRIC
DISPLAY UNITS)
This display allows you to select between English and
metric units of measurement if your vehicle has the
uplevel DIC. Press the reset button to switch between
English and metric units.
Blank Line
This display shows no information.
ENGINE BOOST (STS-V Only)
This display shows a graphic that indicates the amount
of boost the engine is receiving in either pounds per
square inch (psi) or kilopascals (kPa).
ENGINE OIL TEMPERATURE (STS-V Only)
This display shows the engine oil temperature in
either degrees Fahrenheit (°F) or degrees Celsius (°C).
OIL PRESSURE (STS-V Only)
This display shows the oil pressure in either pounds per
square inch (psi) or kilopascals (kPa).
TRANS (Transmission) FLUID TEMP
(Temperature) (STS-V Only)
This display shows the transmission uid temperature in
either degrees Fahrenheit (°F) or degrees Celsius (°C).
Trip Information Display Menu Items
The following display menu items can be displayed by
pressing the trip Information button.
Odometer
Press the trip information button until the odometer
appears on the DIC display. The odometer shows the
total distance the vehicle has been driven in either
miles (mi) or kilometers (km).
3-78

Trip Odometer
Press the trip information button until trip
odometer A or B appears on the DIC display. The trip
odometer shows the current distance traveled since the
last reset for each trip odometer in either miles (mi)
or kilometers (km). Both odometers can be used at the
same time.
For base level vehicles, each trip odometer can be reset
to zero separately by pressing and holding the bottom
of the trip information button while the desired trip
odometer is displayed. For uplevel vehicles, reset each
trip odometer by pressing the reset button or by
pressing and holding the trip information button while
the desired trip odometer is displayed.
DIC Warnings and Messages
These messages will appear if there is a problem
detected in one of your vehicle’s systems. The text
messages are the same for both the base audio
and Navigation systems unless otherwise indicated.
You must acknowledge a message to clear it from the
screen for further use. To clear a message, press
the reset button.
Be sure to take any message that appears on the
screen seriously and remember that clearing the
message will only make the message disappear,
not the problem.
AUTOMATIC LIGHTS OFF
This message will display when the automatic
headlamps are turned off. SeeHeadlamps on page 3-31
for more information.
AUTOMATIC LIGHTS ON
This message will display when the automatic
headlamps are turned on. SeeHeadlamps on page 3-31
for more information.
BATTERY NOT CHARGING SERVICE
CHARGING SYS (System)
This symbol appears with
the BATTERY NOT
CHARGING SERVICE
CHARGING SYS
message.
This message will display when a problem with the
charging system has been detected. Have your vehicle
serviced by your GM dealer.
3-79

If this message appears immediately after starting the
engine, it is possible that the generator can still recharge
the battery. The battery should recharge while driving
but may take a few hours to do so. Consider using
an auxiliary charger to boost the battery after returning
home or to a nal destination. Make sure you follow
the manufacturer’s instructions.
If this message appears while driving or after starting
your vehicle and stays on, have it checked immediately
to determine the cause of this problem.
To help the generator recharge the battery quickly, you
can reduce the load on the electrical system by
turning off the accessories.
The normal battery voltage range is 11.5 to 15.5 volts.
You can monitor battery voltage on the DIC by pressing
the information button until you nd BATTERY VOLTS.
CHANGE ENGINE OIL SOON
When this message displays, it means that service is
required for your vehicle. See your GM dealer. See
Engine Oil on page 5-18andScheduled Maintenance
on page 6-4for more information.
When you reset the CHANGE ENGINE OIL SOON
message by clearing it from the display, you still must
reset the engine oil life system separately. For more
information on resetting the engine oil life system, see
Engine Oil Life System on page 5-22.
CHECK BRAKE FLUID
This message will display if the ignition is on to inform
the driver that the brake uid level is low. Have the
brake system serviced by your GM dealer as soon as
possible. SeeBrake System Warning Light on page 3-64
for more information.
CHECK COOLANT LEVEL
This message will display when there is a low level of
engine coolant. Have the cooling system serviced
by your GM dealer as soon as possible. SeeEngine
Coolant on page 5-26for more information.
CHECK GAS CAP
When this message displays, the gas cap has not been
fully tightened. You should recheck the gas cap to
ensure that it is on and tightened properly.
CHECK OIL LEVEL
This message will display when the oil level is low. See
Engine Oil on page 5-18for more information on
checking your engine oil.
3-81

SERVICE STABILITY SYS (System)
Your vehicle may have a vehicle stability enhancement
system called StabiliTrak®.
SeeStabiliTrak
®System on page 4-11. The SERVICE
STABILITY SYS message will display if there has
been a problem detected with StabiliTrak
®.
If the SERVICE STABILITY SYS message comes on
while you are driving, pull off the road as soon as
possible and stop carefully. Try resetting the system by
turning the ignition off then back on. If the SERVICE
STABILITY SYS message still stays on or comes back
on again while you are driving, your vehicle needs
service. Have the StabiliTrak
®System inspected by your
GM dealer as soon as possible.
SERVICE STEERING SYS (System)
Your vehicle may have a speed variable assist steering
system. SeeSteering on page 4-12.
The SERVICE STEERING SYS message will display if
a problem is detected with the speed variable assist
steering system. When this message is displayed, you
may notice that the effort required to steer the vehicle
increases or feels “heavier,” but you will still be able to
steer the vehicle.
SERVICE SUSPENSION SYS (System)
This message will display when the suspension
system is not operating properly. Have your vehicle
serviced by your GM dealer.
SERVICE TIRE MONITOR
If your vehicle has a Tire Pressure Monitor (TPM)
system, this message will display if the TPM system is
not working properly. Have your vehicle serviced by
your GM dealer as soon as possible.
SERVICE THEFT SYSTEM
This message will display when there is a problem with
the hood open and closed switches. The switches may
need to be replaced. When this message is displayed,
the theft-deterrent system will still be protecting the
interior of the vehicle, however, the hood area will not be
protected at this time. Also, the remote start function will
not work when this message appears. See your
GM dealer for service.
SERVICE TRANSMISSION
This message will display when there is a problem with
the transmission of your vehicle. Have your vehicle
serviced by your GM dealer.
3-89

SERVICE VEHICLE SOON
This message will display when a non-emissions related
malfunction occurs. Have your vehicle serviced by
your GM dealer as soon as possible.
SPEED LIMITED TO XXX
This message will display when your vehicle speed is
limited to XXX, mph in English mode and km/h in Metric
mode, because the vehicle detects a problem in the
suspension system. Have your vehicle serviced by your
GM dealer.
STABILITY SYS (System) ACTIVE
The STABILITY SYS ACTIVE message will display
any time StabiliTrak®is actively assisting you with
directional control of the vehicle. Slippery road
conditions may exist when this message is displayed,
so adjust your driving accordingly. This message
may stay on for a few seconds after StabiliTrak
®stops
assisting you with directional control of the vehicle.
SeeStabiliTrak
®System on page 4-11for more
information.
STABILITY SYS (System) NOT READY
The STABILITY SYS NOT READY message will
display if StabiliTrak®is not ready. Two conditions may
cause this message to display.
The rst condition may be that the vehicle needs to be
driven in a straight line until the sensors are centered.
Once the sensors are centered, the StabiliTrak
®system
will be ready and the STABILITY SYS READY
message will display.
The second condition that may cause this message to
display is when you rst start your vehicle and drive
away during cold winter weather. This is normal.
The system needs to warm up. You can acknowledge
this message by pressing the reset button.
The StabiliTrak
®performance is affected until the
STABILITY SYS READY message is displayed in the
DIC. SeeStabiliTrak
®System on page 4-11for
more information.
3-90

Other Messages
Here are more messages that you can receive on your
Driver Information Center (DIC). To acknowledge a
message and read another message that may have
come on at the same time, press the reset button.
ACCESSORY ACTIVE
SeeIgnition Positions on page 2-24.
KNOWN FOB
See “Matching Transmitter(s) to Your Vehicle”
underKeyless Access System Operation on
page 2-5.
MAX # FOBS LEARNED
See “Matching Transmitter(s) to Your Vehicle”
underKeyless Access System Operation on
page 2-5.
OFF/ACC (Accessory) TO LEARN
See “Matching Transmitter(s) to Your Vehicle”
underKeyless Access System Operation on
page 2-5.
READY FOR FOB X
See “Matching Transmitter(s) to Your Vehicle”
underKeyless Access System Operation on
page 2-5.
SHIFT TO PARK
SeeStarting the Engine on page 2-25andShifting
Into Park (P) on page 2-36.
WAIT XX MIN (Minutes)
See “Matching Transmitter(s) to Your Vehicle”
underKeyless Access System Operation on
page 2-5.
3-93

Audio System(s)
Determine which radio your vehicle has and then read the
pages following to familiarize yourself with its features.
Driving without distraction is a necessity for a safer
driving experience. SeeDefensive Driving on page 4-2.
By taking a few moments to read this manual and get
familiar with your vehicle’s audio system, you can use it
with less effort, as well as take advantage of its features.
While your vehicle is parked, set up your audio system by
presetting your favorite radio stations, setting the tone,
and adjusting the speakers. Then, when driving
conditions permit, you can tune to your favorite stations
using the presets and steering wheel controls if the
vehicle has them.
{CAUTION:
This system provides you with a far greater
access to audio stations and song listings.
Giving extended attention to entertainment
tasks while driving can cause a crash and you
or others can be injured or killed. Always keep
your eyes on the road and your mind on the
drive — avoid engaging in extended searching
while driving.Keeping your mind on the drive is important for safe
driving. For more information, seeDefensive Driving on
page 4-2.
Here are some ways in which you can help avoid
distraction while driving.
While your vehicle is parked:
Familiarize yourself with all of its controls.
Familiarize yourself with its operation.
Set up your audio system by presetting your
favorite radio stations, setting the tone, and
adjusting the speakers. Then, when driving
conditions permit, you can tune to your favorite
radio stations using the presets and steering wheel
controls if the vehicle has them.
Notice:Before adding any sound equipment to your
vehicle, such as an audio system, CD player, CB
radio, mobile telephone, or two-way radio, make sure
that it can be added by checking with your dealer.
Also, check federal rules covering mobile radio and
telephone units. If sound equipment can be added, it
is very important to do it properly. Added sound
equipment may interfere with the operation of your
vehicle’s engine, radio, or other systems, and even
damage them. Your vehicle’s systems may interfere
with the operation of sound equipment that has
been added.
3-94

4(Information):Press this button while in XM mode
to retrieve three different categories of information
related to the current song or channel: Artist, Song Title,
Category or PTY. To view this information, perform
the following:
1. Press the tune/select knob to enter the main menu.
2. Turn the tune/select knob until INFO appears on
the display.
3. Press the tune/select knob to select INFO. The
display will change to show the additional XM
information.
4. Press the BACK (F6) button to exit the display. To
return to the original display, repeatedly press the
BACK (F6) button or wait for the display to time out.
Playing the Radio
O
(Power):Press this knob to turn the system on
and off.
n(Volume):Turn this knob to increase or to
decrease the volume.
SRCE (Source):Press this button to select a source,
either radio or CD. The CD must be loaded to select the
source and to play. CD will appear on the display if a
CD is loaded. If a CD is not loaded, the display will not
change from the radio source.
Finding a Station
BAND:Press this button to select FM1, FM2, AM, or
XM1 or XM2 (if equipped).
w(Tune):Turn this knob to select radio stations.
©¨(Seek):Press the left single arrow button to go
to the previous station and stay there. Press the
right single arrow button to go to the next station and
stay there. The sound will mute while seeking.
The radio will only seek stations with a strong signal
that are in the selected band.
©¨(Scan):Press the double arrow scan button to
enter scan mode. SCAN will appear on the display.
Press this button to scan to the next station. The radio
will go to a station, play for 5 seconds, then go on
to the next station. Press this button again to stop
scanning.
To scan preset stations, press and hold the double
arrow scan button for more than two seconds until you
hear a beep and PSCAN appears on the display.
The radio will go to the rst preset station, play for
5 seconds, then go on to the next preset station. Press
this button again to stop scanning presets.
The radio will only scan stations with a strong signal
that are in the selected band.
3-97