GM Service Manual Online
For 1990-2009 cars only

Object Number: 1214965  Size: B3
CONFIG (Configuration) Key: Press the CONFIG key located to the left of the navigation screen, to access the Setup menu.

The Setup menu allows you to adjust such things as screen color, appearance, and language of the display for the navigation system.

See "Hard Keys" under Using the Navigation System for more information on hard key functions.

Contrast/Brightness

To adjust the contrast or brightness of the navigation screen, choose the desired option by selecting it with the joystick. Use the joystick to raise or lower the contrast or brightness to the desired level. You will see the screen change as you adjust the contrast or brightness.

Screen Color

When the headlamp switch is turned off, the navigation screen will change to a lighter background and change colors, for better viewing in the daytime. At night, the screen will go to a darker background. You can select Auto for automatic adjustment.

You can also select day or night mode regardless of the lighting conditions. The Day setting leaves the system in the day mode. The Night setting leaves the system in the night mode.

Beep

With this feature On, a beep will sound every time a key is pressed on the navigation system. Choose Off if you do not want to hear a beep whenever a key is pressed.

Language

Your vehicle has been set for the English language, but you may also select French for all instructional text and voice prompts. However, names on the location map when using the navigation functions will not change.

If you wish to change the language, the map DVD must be inserted. Then, do the following:

  1. Press the Language key under the Setup Menu. A caution will display.
  2. Using the joystick, scroll to the desired language and press the joystick to select it.
  3. Select NEXT to change the display back to the map screen.

If the language is changed from English, the menu screens will not match word-for-word as they appear in this manual.

Every 50 ignition cycles, a language screen will appear prompting you to choose a language. Select a language, then press NEXT.

Display Off

To turn the navigation screen off, press the Disp. OFF key. To turn the screen back on, press any hard key to the left of the navigation screen.

Voice Volume


Object Number: 918732  Size: B3

This system has voice guidance prompts that provide various messages as you approach points where you need to maneuver your vehicle, such as an intersection.

To adjust the volume of the voice prompts you receive from the system, do the following:

  1. Press the menu key.
  2. Select Voice Volume.
  3. Use the joystick to raise or lower the volume. The voice prompt will come on with each adjustment to give you an idea of the volume at each level.
  4. Once you have reached the desired volume level, press the back key to return to the previous screen.

With Adaptive voice volume control, the volume of voice prompts will increase automatically once the vehicle exceeds 50 mph (80 km/hr). Select On to activate this feature.

If you do not need voice guidance, you may also select Off to turn the prompts off.

Adjust Clock


Object Number: 988010  Size: B3

To adjust the time displayed at the lower right corner of the navigation screen, as well as other time options, you must first reach the Adjust Clock screen. To get to the Adjust Clock screen, do the following:

  1. Press the CONFIG key to access the Setup menu.
  2. Select the Clock option.

To change the hours/minutes on the clock, do the following:

  1. Using the joystick, highlight the time, and press the joystick to select it.
  2. Move the joystick up or down to adjust the hour.
  3. Once the desired hour is reached, move the joystick to the right to highlight the minutes.
  4. Move the joystick up or down to adjust the minutes.
  5. When the desired minutes have been reached, press OK to save the change, or select Enter to adjust other time options before you press OK to save.
12Hr/24Hr: This feature allows you to choose whether the time is displayed in standard or military time. Using the joystick, choose 12Hr for standard time, or 24Hr for military time.

Auto GPS Update: With this feature ON, the navigation system time will be set to match the current GPS time. The time will be updated with the GPS time when the ignition is turned to ACC or ON. Using the joystick, you may also choose OFF to turn this feature off.

Daylight Savings: With this feature ON, the navigation system will automatically adjust the time for Daylight Savings. Using the joystick, you may also choose OFF to turn this feature off.

Time Zone: This feature allows you to choose from four different time zones: P.S.T. (Pacific), M.S.T. (Mountain), C.S.T. (Central) and E.S.T. (Eastern). Use the joystick to choose the desired zone.

Remember that you must press OK after making the desired adjustments to any of the time options. This allows your changes to be saved and will return you to the Setup menu. If you hit the back key without pressing OK, you will return to the Setup menu, but none of your changes will be saved.

English/Metric Units

This option allows you to select either English or metric measurements to appear for distances on the map.

To change between English and metric measurements, do the following:

  1. Press the menu key.
  2. Using the joystick, select Nav Setup.
  3. Use the joystick to choose the measurement option you desire. Choose miles to display measurements in English, or km (kilometers) to display metric measurements.
  4. Press the back key to return to the previous screen.
  5. To return to the main navigation screen, or to see the map, press the NAV or map keys.

See "Nav (Navigation) Setup" under Navigation Menu for more information.