GM Service Manual Online
For 1990-2009 cars only

The navigation screen is located in the center of the instrument panel. See the navigation system overview under Introduction for more information.

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

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

NAV (Navigation): If you are in a menu and are not on the map screen, press the NAV key located to the left of the navigation screen to view the current map showing vehicle position.

If a route has not been planned, pressing the NAV key will display the map screen and the following information:

    • North or Heading up symbol in upper left corner
    • Time
    • Map scale
    • If the vehicle is on a digitized road, the street number, road name and city is displayed for the vehicle's current position.
    • Audio Band Information

If a route has been planned, pressing the NAV key will display the map screen and the following information:

    • Number of miles/kilometers between current vehicle position and the destination
    • Estimated travel time to the destination
    • Highlighted route or turn-by-turn instructions

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