GM Service Manual Online
For 1990-2009 cars only

This section includes the basic information to operate the navigation system.

The main navigation menu displays a number of options which offer information on a variety of topics. See Navigation Menu for more information.

Use the hard keys located on the navigation system along with the available touch-sensitive screen buttons on the navigation screen to operate the system.

Once the vehicle is moving, various functions will be disabled to reduce driver distractions.

Hard Keys

The following hard keys are located to the left of the navigation screen:

(Power/Volume Knob): Press the power/volume knob to turn the audio and navigation system on and off. Turn the knob to increase or decrease the volume to the audio system.

NAV RPT (Navigation Repeat): Press the NAV RPT key to repeat the current voice guidance navigation prompt.

NAV (Navigation): If you are in a menu and are not on the map screen, press the NAV key to view the map showing your vehicle's current position.

If a route has not been planned, press this key to display the map screen and the following information:

    • North or Heading Up symbol
    • Time
    • Map scale

If a route has been planned, press this key to display the map screen and the following information:

    • Number of miles/kilometers between current vehicle position and the destination. See "Route Overview Menu" under Destination for more information.
    • Estimated travel time to the destination. See "Route Overview Menu" under Destination for more information.
    • Highlighted route or turn-by-turn instructions. See "Map Appearance" under Navigation Menu for more information.

You will find more information on each feature found on a map screen later in this manual.

BAND: Press the BAND key to access the BAND screen and to switch between AM, FM1, FM2, XM1, or XM2, if equipped. See "Finding a Station" under Navigation Audio System.

SEEK : Press the SEEK up or down arrows to go to the next or previous radio station or tracks on a CD. See "Finding a Station" under Navigation Audio System or CD Player.

(CD): Press the CD key to play a CD. The CD screen will display. See CD Player.

(Audio): Press the audio key to access the Audio menu. See Navigation Audio System.

CONFIG (Configure): Press the CONFIG key to access the Configure menu. See Configure Menu for more information.

(Tuning) Knob: Turn this knob to go to the next or previous frequency and stay there. See "Finding a Station" under Navigation Audio System.

(Eject): Press the eject key located next to the DVD/CD slot to eject a map DVD or CD.

Alpha-Numeric Keypad

Letters of the alphabet, symbols, punctuation, and numbers will display on the navigation screen as an alpha or numeric keypad. The appropriate keypad will automatically display whenever the system needs information from you. The alpha keypad will display when the system needs input of a city or street name. The numeric keypad will display when the system needs input of a phone number or house address.

Touch a character on the screen to select it. You may also touch the 0 - 9 screen button at any time from the alpha keypad to access the numeric keypad.

(Space): Touch this screen button to enter a space between characters or the words of a name.

(Backspace): Touch this screen button if an incorrect character has been selected.

To make name selections easier, the system will only allow you to select a character which can follow the last one entered. For example, if a Z is entered, a T will not be available to select. The system will highlight the available characters.

If a name is not available after input, it may need to be inputted differently, the map DVD database may not contain that information, or the correct search area has not been selected. See Database Coverage Explanations.

Touch-Sensitive Screen Buttons

Touch-sensitive buttons are located on the screen. After selecting a button on the screen, a beep will sound. This feature can be turned off. See Configure Menu for more information. Screen buttons will be highlighted when available. There are some toggle screen buttons that will be light blue when active.


Object Number: 1611473  Size: B3

The following touch-sensitive screen buttons will appear frequently at the bottom of a map screen.

Dest (Destination): Touch this screen button to display the Destination menu. See Destination for more information.

Nav (Navigation) Options: Touch this screen button to display the Nav Options menu. See "Navigation Options" under Destination for more information.

Nav (Navigation Menu): Touch this screen button to display the main navigation menu. See Navigation Menu for more information.

(Zoom In): Touch this screen button to get a closer look at a smaller section of the route you are traveling.

(Zoom Out): Touch this screen button to see a larger scale of the route you are traveling. You can also view your highlighted route.

Clock: Touch the clock screen button, when the radio is on, to display the date.

Audio Source: Touch the audio source screen button, while a map screen is displayed, to access the Audio screen.

Back: Touch this screen button, when available on a menu, to return to the previous screen.

This section includes basic information to operate the navigation system.

Use the hard keys and the touch-sensitive screen buttons on the navigation screen to operate the system. See Navigation System Overview for more information.

Once the vehicle is moving, some functions become disabled to reduce driver distractions.

Hard Key Operation

(Power/Volume): Press to turn the system on and off.

    • Turn to increase or decrease the volume to the audio system.
    • Press and hold for more than two seconds to turn off the navigation system, the Rear Seat Entertainment (RSE), and Rear Seat Audio (RSA). If the vehicle has not been turned off, the RSE and the RSA can be turned back on by pressing and continues playback of the last active source.
(Tune/Speaker Adjustment): Press to access the Sound screen to adjust bass, midrange, treble, and equalization.

    • Turn to go to the next or previous radio station. See Navigation Audio System for more information.
(CD/DVD Eject): Press to eject CDs and DVDs.

NAV (Navigation): Press to view the vehicle's current position on the map screen.

    • Press NAV multiple times to cycle through Full Map and the tab that displays the current audio source (AM, FM, CD, etc.). Full Map displays the screen in full map view.
    • Select the audio tab to split the screen between the map screen and the current audio source screen menu. See "Audio" under Navigation Audio System for more information.
DEST (Destination): Press to access the Destination Entry screen to plan a destination. See Destination for more information.

RPT (Navigation Repeat): Press to repeat the last voice guidance prompt.

FAV (Favorite): Press to access the preset stations. See "Storing Radio Station Presets" under Navigation Audio System for more information.

AUDIO: Press to access the full Audio screen to change AM, FM, XM™ Satellite Radio Service (if equipped), CD, DVD, if equipped, and auxiliary input. See "Audio" under Navigation Audio System for more information.

MENU: Press to adjust features for sound, radio, navigation, the display, and for adjusting the time. See Configure Menu for more information.

SEEK / SEEK: Press either arrow to seek and scan radio stations, to seek tracks on a CD, or to seek chapters on a DVD, if equipped. See Navigation Audio System , CD Player , or DVD Player for more information.

Touch-Sensitive Screen Buttons

These buttons are located on the screen. When selected, a beep sounds. Screen buttons are highlighted when a feature is available.

Alpha-Numeric Keyboard

Letters of the alphabet, symbols, punctuation, and numbers, when available, display on the navigation screen as an alpha or numeric keyboard. The alpha keyboard displays when the system requires entry of a city or street name.

All characters are touch-sensitive screen buttons. Touch a character to select it.

A-Y (Accent Alphabet): Select to get letters with accent symbols. This button may toggle to A-Z.

A-Z (Alphabet): Select to get letters from the alphabet. This button may toggle to A-Y.

0-9 (Numbers): Select to get numbers and punctuation marks.

(Space): Select to enter a space between characters or the words of a name.

Backspace: Select if an incorrect character has been entered.

To make name selections easier, the system only highlights the characters that can follow the last one entered. For example, if a Z is entered, a T may not be available for selection.

If a name does not display after entry, it may need to be entered differently or the map DVD disc may not contain that information. See Database Coverage Explanations for more information.