2008 GMC ENVOY ECO mode

Fuel Information Button
t
(Fuel Information):Press the fuel information
button to scroll through the range, fuel used, average
fuel economy, and the engine oil life system.
Fuel Range:Press the fuel information button until
RANGE appears on the display. This mode shows the
remaining distance you can drive without refueling.
It is based on fuel economy and the fuel remaining
in the fuel tank. The display will show LOW if the fuel
level is low.
The fuel economy data used to determine fuel range is
an average of recent driving conditions. As your driving
conditions change, this data is gradually updated. Fuel
range cannot be reset.
Fuel Used:Press the fuel information button until
FUEL USED appears on the display. This mode shows
the number of gallons or liters of fuel used since the
last reset of this menu item. To reset the fuel used
information, press and hold the select button for
one second while FUEL USED is displayed.Average Fuel Economy:Press the fuel information
button until AVG. ECON appears on the display. This
mode shows how many miles per gallon (MPG), liters per
100 kilometers (L/100 km), or kilometers per liter (km/L)
your vehicle is getting based on current and past driving
conditions.
Press and hold the select button for one second while
AVG. ECON is displayed to reset the average fuel
economy. Average fuel economy will then be calculated
starting from that point. If the average fuel economy is not
reset, it will be continually updated each time you drive.
Engine Oil Life System:Press the fuel information
button until ENGINE OIL LIFE appears on the display.
The engine oil life system shows an estimate of the
oil’s remaining useful life. It will show 100% when the
system is reset after an oil change. It will alert you
to change the oil on a schedule consistent with your
driving conditions.
Always reset the engine oil life system after an oil
change. To reset the engine oil life system, seeEngine
Oil Life System on page 5-19.
In addition to the engine oil life system monitoring the
oil life, additional maintenance is recommended in
the Maintenance Schedule in this manual. SeeEngine
Oil on page 5-16andScheduled Maintenance on
page 6-4.
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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. SeeLiftgate/Liftglass on page 2-12.
Restart the vehicle and check for the message on
the DIC display.
RIGHT REAR DOOR AJAR
This message displays and a chime sounds if the
passenger side rear door is not fully closed. 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. SeeAirbag Readiness Light
on page 3-33andAirbag System on page 1-53for
more information.
SERVICE BRAKE SYSTEM
This message displays if a problem occurs with the
brake system. If this message appears, stop as soon as
possible and turn off the vehicle. Restart the vehicleand 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 dealer/retailer.
SERVICE CHARGING SYS (System)
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. SeeCharging System Light on page 3-36.
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
dealer/retailer.
SERVICE STABILITRAK
If this message displays, it means there may be a
problem with the StabiliTrak®system. If this message
appears, try to reset the system by performing the
following: stop; turn off the engine; then start the engine
again. If this message still comes on, it means there is a
problem. You should see your dealer/retailer for service.
The vehicle is safe to drive, however, you do not have the
benet of StabiliTrak
®, so reduce your speed and drive
accordingly.
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TIGHTEN FUEL CAP
This message may display and a chime may sound if
the vehicle’s fuel cap is not tightened properly. Fully
reinstall the fuel cap. SeeFilling the Tank on page 5-8.
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. This message remains on until it is
manually cleared from the DIC display. The DIC
message is also cancelled if the ignition is turned off.
The DIC message and the Service Engine Soon
light may come on again during a second trip if the
fuel cap is still not tightened properly. SeeMalfunction
Indicator Lamp on page 3-41for more information.
TRACTION CONTROL OFF
This message displays when you momentarily press
the StabiliTrak®button located on the transmission
shift handle. In this mode, stability control and the
brake-traction control are functional. Engine speed
management will be modied and the driven wheels
can spin more freely. For more details on this mode,
seeStabiliTrak
®System on page 4-6.
TURN SIGNAL ON
This message displays and a chime sounds if a turn
signal is left on for 3/4 of a mile (1.2 km). Move the turn
signal/multifunction lever to the off position.
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 display on the 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). To avoid excessive
drain on the battery, it is recommended that the
headlamps are turned off.
Press the customization button to scroll through the
available customizable options.
After pressing the customization button, VEHICLE
SETTINGS momentarily displays before going to a
customization option.
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Language
Press the customization button until LANGUAGE:
ENGLISH appears in the display. To select your
preference for display language, press the select button
while LANGUAGE: ENGLISH is displayed on the DIC.
Pressing the select button will scroll through the following
settings:
ENGLISH (default):All messages will appear in
English.
FRANCAIS:All messages will appear in French.
ESPANOL:All messages will appear in Spanish.
To select a setting and move on to the next feature,
press the customization button while the desired setting
is displayed on the DIC.
If you accidentally choose a language that you do not
want or understand, press and hold the customization
button and the trip information button at the same time.
The DIC will begin scrolling through the languages in their
particular language. English will be in English, Francais
will be in French, and Espanol will be in Spanish. When
you see the language that you would like, release both
buttons. The DIC will then display the information in the
language you chose.
You can also scroll through the different languages
by pressing and holding the trip reset stem for
four seconds, as long as you are in the odometer mode.
Units
Press the customization button until UNITS: U.S.
(ENGLISH) appears in the display. To select the units
of measurement in which the DIC will display vehicle
information, press the select button while UNITS: U.S.
(ENGLISH) is displayed on the DIC. Pressing the select
button will scroll through the following settings:
UNITS: U.S. (ENGLISH) (default):All information will
be displayed in English units.
UNITS: METRIC (km/L):All information will be
displayed in metric units.
UNITS: METRIC (L/100 km):All information will be
displayed in metric units.
To select a setting and exit out of the customizable
options, press the customization button while the desired
setting is displayed on the DIC.
3-64

Radio Data System (RDS)
The audio system has a Radio Data System (RDS).
RDS features are available for use only on FM stations
that broadcast RDS information.
With RDS, the radio can do the following:
Seek to stations broadcasting the selected type of
programming.
Receive announcements concerning local and
national emergencies.
Display messages from radio stations.
This system relies upon receiving specic information
from these stations and only works when the information
is available. In rare cases, a radio station can broadcast
incorrect information that causes the radio features
to work improperly. If this happens, contact the radio
station.
While the radio is tuned to an RDS station, the station
name or call letters display instead of the frequency.
RDS stations can also provide the time of day, a
program type (PTY) for current programming, and
the name of the program being broadcast.
Playing the Radio
PWR (Power):Push to turn the system on and off.
opVOL or VOLUME:Turn clockwise or
counterclockwise to increase or to decrease the volume.
DISPL (Display) or INFO (Information):While the
ignition is off, press the DISPL or INFO knob to display
the time.
For RDS, press the DISPL or INFO knob to change
what displays while using RDS. The display options are
station name, RDS station frequency, PTY (program
type), and the name of the program (if available).
For XM™ (if equipped), press the DISPL or INFO knob
while in XM™ mode to retrieve four different categories
of information related to the current song or channel:
Artist, Song Title, Category or PTY, Channel
Number/Channel Name.
To change the default on the display, press the DISPL
or INFO knob until you see the desired display, then
briey press and hold the knob until a beep is heard.
The selected display becomes the default.
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SCAN:Scan the stations within a PTY by performing
the following:
1. Press the TYPE button to activate program type
select mode. TYPE or P-TYPE and the last
selected PTY displays.
2. Turn the TYPE knob or press and release the
TYPE button to select a PTY.
3. Once the desired PTY displays, press and hold
either SCAN or TYPE arrow for two seconds, and the
radio begins scanning the stations in the PTY.
4. Press either SCAN or TYPE arrow to stop scanning.
BAND (Alternate Frequency):Alternate frequency
lets the radio switch to a stronger station with the same
program type. To turn alternate frequency on, press
and hold BAND for two seconds. AF ON displays. The
radio can switch to stations with a stronger frequency.
To turn alternate frequency off, press and hold
BAND again for two seconds. AF OFF displays.
The radio does not switch to other stations.
This function does not apply for XM™ Satellite Radio
Service.Finding a Program Type (PTY) Station
(RDS and XM™)
For the MP3 Radio, select and nd a desired PTY by
performing the following steps:
1. Turn the P-TYPE knob to select a PTY.
2. Press the SEEK TYPE button to select and go to
the PTY’s rst station.
3. Press the SEEK TYPE button twice to display the
PTY and then go to another station.
4. Press the P-TYPE knob to exit program type
select mode.
IF PTY times out and no longer displays, go back to
Step 1.
If both PTY and TRAF are on, the radio searches
for stations with the selected PTY and traffic
announcements.
If the radio cannot nd the desired program type, NONE
displays and the radio returns to the last station.
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For vehicles that have a radio with a Six-Disc CD
player, see the following:
LOAD:Press to load CDs into the CD player. This CD
player holds up to six CDs.
To insert one CD, do the following:
1. Turn the ignition on.
2. Press and release the LOAD button.
3. Wait for the indicator light, located to the right of the
slot, to turn green.
4. Load a CD. Insert the CD part way into the slot,
label side up. The player pulls the CD in.
To insert multiple CDs, do the following:
1. Turn the ignition on.
2. Press and hold the LOAD button for two seconds.
A beep sounds and the indicator light, located to
the right of the slot, begins to ash and MULTI
LOAD # displays.
3. Once the light stops ashing and turns green,
INSERT CD # displays, load a CD. Insert the CD part
way into the slot, label side up. The player pulls the
CD in.
Once the CD is loaded, the indicator light begins
ashing again. Once the light stops ashing and
turns green, you can load another CD. The CD player
takes up to six CDs. Do not try to load more than six.To load more than one CD but less than six, complete
Steps 1 through 3. When nished loading CDs,
press the LOAD button to cancel the loading function.
The radio begins to play the last CD loaded.
If more than one CD has been loaded, a number for
each CD displays.
Playing a Specic Loaded CD
For every CD loaded, a number displays. To play a
specic CD, rst press the CD AUX button (if not already
in CD mode), then press the numbered pushbutton
that corresponds to the CD. A small bar displays under
the CD number that is playing and the track number
displays.
Z(Eject) (Base or MP3 Radio):Press to eject a
CD. Eject can be activated with either the ignition
or radio off. CDs can be loaded with the radio and
ignition off if this button is pressed rst.
CD
Z(Eject):Press to eject CD(s).
To eject the CD that is currently playing, press and
release this button.
3-76

©SCAN¨:To scan one CD, press and hold either
SCAN, or depending on the radio, the TYPE arrow
for more than two seconds until SCAN or TRACK SCAN
displays and a beep is heard. The radio goes to the
next track, plays for 10 seconds, then goes to the next
track. Press either SCAN or depending on the radio,
TYPE arrow again, to stop scanning.
To scan all loaded CDs, press and hold either SCAN
arrow for more than four seconds until ALL CD SCAN
displays and a beep sounds. Use this feature to listen to
10 seconds of the rst track of each loaded CD. Press
either SCAN arrow again, to stop scanning.
oTUNEp(MP3 Radio):Turning this knob fast
tracks reverse or advances through tracks. The track
number displays for each track.
DISPL (Display) or INFO (Information):Press to see
how long the current track has been playing. ET and/or
the elapsed time displays. To change the default on the
display, track, or elapsed time, press until the desired
display appears, then press and hold briey until a beep
sounds. The selected display becomes the default.
BAND:Press to listen to the radio when a CD is
playing. The inactive CD(s) remains inside the radio for
future listening.
CD AUX (Auxiliary):Press to play a CD while listening
to the radio, or to listen to an auxiliary source (such
as rear seat entertainment, if equipped).
Using Song List Mode
The six-disc CD changer has a feature called song list.
This feature is capable of saving 20 track selections.
To save tracks into the song list feature, perform
the following steps:
1. Turn the CD player on and load it with at least one
CD. See “LOAD CD” listed previously in this section
for more information.
2. Check to see that the CD changer is not in song list
mode. S-LIST should not appear on the display.
If S-LIST displays, press the SONG LIST button
to turn it off.
3. Select the desired CD by pressing the numbered
pushbutton and then use the right SEEK or TYPE
arrow to locate the track to be saved. The track
begins to play.
4. Press and hold the SONG LIST button to save the
track into memory. When SONG LIST is pressed,
one beep sounds. After two seconds of continuously
pressing the SONG LIST button, two beeps
sound to conrm the track has been saved.
5. Repeat Steps 3 and 4 for saving other selections.
S-LIST FULL displays if more than 20 selections
are saved.
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