GM Service Manual Online
For 1990-2009 cars only
(Menu): Pressing this Menu key will take you to the navigation Menu display.

You may choose from the following options available on the navigation Menu display.


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Suspend Guidance

When this function is selected, guidance to all current and programmed destinations is suspended, but the current route will be retained in memory. You will no longer receive voice prompts for navigation. The map can still be viewed by pressing the Map key. If you suspend guidance, the Resume Guidance button will allow you to resume the current route.

Route Overview

Selecting route overview will show the map with the route highlighted. The total distance and estimated travel time are also displayed.

Map Appearance

This menu allows you to adjust the appearance of a map based on your preferences.

To access the Map Appearance menu, do the following:

  1. Press the Menu button, located to the right of the display screen.
  2. Using the joystick, select Map Appearance.

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The Map Appearance menu is divided into three sections: Map orient (orientation), Guidance mode and Map mode. Use the joystick to scroll through and select the options you want. The following are brief explanations of the options available in each section:

North up: With this feature, a map is oriented with North at the top of the display screen, regardless of which direction you are driving.

Heading up: With this feature, a map is oriented with the direction you are driving at the top of the display screen.

3D view: This feature gives maps a 3-dimensional view, and will remain in the Heading up position.

Arrow: This feature adds directional turn guidance for your next maneuver.

Turn list: This feature lists information on your next four to five maneuvers, including the distance to the turn, and street names.

Map: This feature will display your current position, with the calculated route highlighted.

Single: This feature allows one map to be displayed.

Split screen: This feature allows two maps to be displayed, which can be independently adjusted in both scale, and map orientation. When in Split screen mode, the left screen can be chosen to display Arrow or Turn list guidance modes.

For more information on the symbols that can appear on a map screen, see Symbols .

Voice Volume


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

You can adjust the volume of the voice prompts or turn off voice guidance. Press the Menu key to display the screen, and select the Voice Volume button. The Voice Volume screen allows you to increase or decrease the volume from 1 to 7, or if you do not need voice guidance, to select Off. If you select Adaptive voice volume control, the volume is turned up automatically when the vehicle speed exceeds 50 mph (80 km/hr).

DVD Information

Selecting DVD will display the information for the current navigation database disc.

Edit Route


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This function allows you to reroute based on preferences. You can also add, reorder or delete destinations and adjust road preference settings.

The Search Condition screen allows you to select your route preference using Fastest, Shortest, or Alternative route. By selecting the Fastest route you will be routed along main roads and highways, and it does not necessarily mean it is the shortest route.


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The Route Preference screen allows you to select your road preferences by setting which roads you wish to use and avoid.


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Route Preview


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Selecting route preview from the MENU screen displays the map screen with the route highlighted. The total mileage traveled and drive time is also displayed. The route is traced by the vehicle icon. You can preview the route from the starting position to the destination.

Nav (Navigation) Setup


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Selecting this function displays the Nav Setup menu. From this menu, several options may be selected, adjusted, or turned on and off. The following are available options from the Nav Setup menu, with a brief explanation of each:

English/Metric: This features switches distance measurements between standard or metric measurements. Choose miles for standard measurements, or km for metric measurements.

Notify seasonal restrict. (restrictions): This feature can route you around seasonal restrictions, such as a closed road. Choose On to have your routes automatically calculated around seasonal restrictions, or Off to turn this feature off.

Estimated travel time: This feature allows calculates and displays the estimated time to travel from your current position to the destination. Estimated travel time is based on the calculated route information and the vehicle's average speed. Choose On to have the estimated travel time displayed with the distance to destination, or Off to turn this feature off.

Enter speed change?: This feature allows you to adjust estimated speeds for Freeway, Main street or Residential driving. Choose No if you do not want to make changes. To change estimated speeds, choose Yes. The Change Speed menu will appear. Move the joystick up or down to highlight the drive type you want to change. Then move the joystick to the right to increase, or to the left to decrease the speed. The maximum allowable speed to set is 100 mph (161 km). When your adjustments are complete, press the Back key to return to the Nav Setup menu.

Auto reroute: With this feature On, the navigation system will automatically recalculate a route if you drive off course. Choose Off to turn this feature off.

Voice guide in all mode: With this feature On, you will hear navigation voice prompts while in Audio and CD modes. Choose Off to turn off the voice prompts in those modes.

Current street name: With this feature On, the current street name will be displayed. Choose Off to turn this feature off.

Map color (Day): This feature allows you to adjust the daytime map appearance by choosing from six different settings. Use the joystick to choose between Normal, Auto, 1, 2, 3 and 4. When complete, press the Map key to the right of the display screen to view the adjusted map color.

Map color (Night): This feature allows you to adjust the nighttime map appearance by choosing from six different settings. Use the joystick to choose between Normal, Auto, 1, 2, 3 and 4. When complete, press the Map key to the right of the display screen to view the adjusted map color.

Operation guide on map: This feature allows you to remove the toolbar from the bottom of the display screen in order to see more of the map. Choose Off to remove the toolbar from the display screen. Choose On to restore the toolbar to the display screen.

Calibrate system?: This feature will calibrate wheel speed and adjust current vehicle position to assist in the accurate calculation of route information and estimated travel time. You may need to calibrate the system following a tire change, rotation, or if your vehicle has been relocated a great distance. Choose Yes to calibrate the system, or No to leave the calibration as it is.

Select defaults?: This feature allows you to restore all available factory default settings in the navigation Menu. Choose Yes to restore defaults, or No to retain current settings.

Exit information: This feature will display the next exit's information, including points of interest such as gas stations, restaurants, and lodging. Choose On to display exit information, or Off to cancel the display of exit information.

Memory Points


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Selecting this function will display the Memory Points menu. This menu contains options for registering, deleting and editing marked points stored in memory, such as Memory Points, preset destinations and areas to avoid.

Choosing to register a Memory Point will take you to the Destination entry screen. The name, location, information and icon for a Memory Point may be edited.

Five preset destinations, as well as one for Home, may be registered or edited. The five preset destinations and Home are the only destination selections available from the Destination entry screen while the vehicle is moving. See "Destination" following in this section for more information on how to register Memory Points and preset destinations.

Up to 10 areas to avoid may also be registered from the Memory Points menu. Areas to avoid include areas such as a high traffic area, construction area, or any main road or intersection you wish to avoid. When registering or editing an area to avoid, the size of the area may be increased or decreased by using the joystick.

Destination

DEST (Destination): Press this key to display the Destination menu. This menu will give you more ways to plan a route by entering destination points.


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This screen allows you to select the area to be searched for your destination. Select Change on the screen to display a map of the United States and a part of Canada divided into 8 regions. Using the joystick, highlight the desired region, and press the joystick to select it. The Destination menu screen will return automatically.


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You may choose to enter a destination using one of the items from the list. Use the joystick to choose from the following destination planning options:

Memory Points Destination Entry: This option allows you to select a destination by choosing from a list of marked points on the map that were previously marked. Memory points include up to 30 saved points and five preset destinations. Selecting marked points from the Destination Entry menu allows you to select any one of the marked points as the active destination. Marked points can also be sorted by icon, date saved or alphabetically.
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If you choose to register a memory point, you will be able to select an icon of your choice to correspond with that memory point. You will be given a screen with several icons to select from. You can also choose to register that memory point by using a sound, which you select. To select a sound, choose With Sound, and press the joystick to select it.

Preset Destination 1-5 Entry: This option allows you to select destinations that were registered as presets 1 through 5. These are the only presets available for selection while the vehicle is moving.

Previous Destination Entry: This option allows you to select a destination by choosing from a list of previous destinations, once they are entered.
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Intersection Destination Entry: This option allows you to select a destination by inputting the intersecting roads you wish to travel to. When you select Intersection from the Destination menu, the alpha-numeric keypad will appear, allowing you to input the name of the first street. This will bring up a list of streets with that name. Select the correct city, then enter the second street name. If you input a street name which does not cross the first street, a message will appear, reading "No corresponding intersections." After you have entered the second street name, a list of cities will appear. The route will then be calculated, and a voice prompt will come on to direct you to "Proceed to the highlighted route." If there are several cities that contain that specific intersection, you must specify a city.
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Phone Number: This option allows you to search a destination location by entering the destination phone number. Using the joystick, enter the phone number of the destination and select OK. The destination location will then be displayed. Most phone numbers for points of interest included in the DVD database can be entered to locate a destination. Cellular phone numbers and internal company phone numbers cannot be entered to locate a destination.
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Emergency Destination Entry: This option allows you to select a destination by choosing from a list of emergency facilities. The list will vary by area. Selecting Police Station or Hospital will show a list. The order of the list can be changed to alphabetical order or order of distance.
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Freeway Entrance/Exit Destination Entry: This option allows you to select a destination by entering a freeway entrance or exit point. Highway names can be entered through the alpha-numeric keypad by using the joystick.
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Previous Start Point Destination Entry: This option allows you to view the last start point.

Home Destination Entry: This option allows you to designate home as the destination by selecting Home from the Destination menu.

Map Entry: Selecting Map on the Destination menu allows the screen to change and displays the map location of the last map and the road preference. Use the joystick to scroll across the map to locate your destination. Once you have located the desired destination, press the joystick to select, and the route will be planned for you. You will also hear a voice prompt directing you to "Proceed to the highlighted route." You may also use the Zoom Out key. See "Zoom Out" under "Using the Navigation System" earlier in this section, to view the entire regional map. However, when you zoom all of the way out and scroll around the map, some parts of the map will be "missing" because they are not readable in larger scales.

POI (Points of Interest): This feature allows you to choose a destination from the points of interest list. Selecting POI from the Destinations menu brings up the Points of Interest entry menu. The POIs in the database are cross referenced between Name, Category and City Names. Name and City Names can be entered through an alpha-numeric keypad by using the joystick.
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You have three ways to select a point of interest from this screen:

    • Type in a point of interest by name using the alpha-numeric keypad. As you type in a name, the system will search for an available match to your input. Select the correct point of interest name.
    • Select a point of interest by choosing the Category option. Select a category from the list the system will supply. If the list of available points of interest for the category selected is still too long, you may need to enter in the name or city of the point of interest.
    • Select the City button and then type in the city you wish to select a point of interest from. Press the List button to see a list of cities and select the correct one from it.

While inputting a point of interest or city name, the List button will become available. Press the List button to view the list of available name choices, or continue to spell the name to further reduce the list of available items.

Points of Interest

The following list shows the types of facilities in the DVD database that you can choose from when using the POI options. GM brand names can be selected to locate automobile related facilities specific to that brand name.

    • Airport
    • Amusement Park
    • ATM
    • Auto Service & Maintenance
    • Automobile Club
    • Automobile Dealership
    • Bank
    • Border Crossing
    • Bowling Center
    • Buick®
    • Bus Station
    • Business Facility
    • Cadillac®
    • Casino
    • Chevrolet®
    • City Center
    • Community Center
    • Commuter Rail Station
    • Court House
    • Exhibition Center
    • Ferry Terminal
    • Gas Station
    • Golf Course
    • Government Office
    • GMC®
    • Grocery Store
    • Historical Monument
    • Hospital
    • Hotel
    • Ice Skating Center
    • Library
    • M-Way Service (Rest Area/Travel Plaza)
    • Marina
    • Movie Theater
    • Museums
    • Night Club
    • Oldsmobile®
    • Other
    • Park & Ride
    • Park/Recreation Area
    • Parking Garage
    • Parking Lot
    • Performing Arts
    • Police Station
    • Pontiac®
    • Post Office
    • Public Sports Airport
    • Rental Car Agency
    • Railway Station
    • Restaurant
    • Saab®
    • Saturn®
    • School
    • Shopping
    • Ski Resort
    • Sports Complex
    • Theatre
    • Tourist Attraction
    • Tourist Information
    • Town Hall
    • University
    • Winery

If a right or left arrow appears to the left or right of the item name, the complete name is too long for the display. Use the right or left arrows on the joystick, then press the joystick to select, and the name will scroll to the end or beginning of its name.

The POI for Restaurant is broken down into several distinct categories. Select Restaurant from the POI choices. A list of cuisine types will then appear.

Address: This method allows you to input and store an address (without a zip code) by providing the system with a house number, street name and a city. Do not include street directions, such as "N. Main Street". Enter only "Main Street".
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Enter the name of a street using the alpha-numeric keypad. To enter the city name, select City on the Address screen. Select Input City Name. Enter the name of the city using the alpha-numeric keypad. Select the desired city name from the list the system provides. After you have entered the city name, the system will prompt you to enter the name of the street or will give you a list of street names to choose from. Enter or select the desired street name. As information is entered, the system will automatically search for available names. While inputting a name, the List button will become available. Press the List button to view the available name choices or continue to spell the name to further reduce the number of available items. Enter the house number using the alpha-numeric keypad. See "Alpha-Numeric Keypad" under "Using the Navigation System" in Section 2 for more information. The system will list the house number range that is available for the street. If you did not select the city name previously, the system may prompt you to do so using the alpha-numeric keypad or from a list of names which the system provides. Select the desired city name. Push the center of the joystick to select this as your destination. The system will return to the Enter Destination screen. If you choose to register a memory point, you will be able to select an icon of your choice to correspond with that memory point. You will be given a screen with several icons to select from. You can also choose to register that memory point by using a sound, which you select. To select a sound, choose With Sound and press the center of the joystick to select.

Route Overview: Once a destination has been selected, the Route Overview screen is displayed. This screen displays the highlighted route, as well as three options: Start, 3 Routes, and Edit Route.

Start: INFORMATION REQUIRED

3 Routes: This screen will display the map with three highlighted routes shown in three different colors for Fastest, Shortest, and Alternative route.
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After selecting one of the three routes, the main navigation screen will be displayed. The Fastest route means you will be routed along main roads, and highways, and does not necessarily mean it is the shortest route.

Edit Route: This option allows you to change your route preferences. See "Edit Route" earlier in Section 2 for more information.

(Back): Pressing this key will allow you to return to the previous screen.

Once you select your destination and begin your route, you can press the center of the joystick to bring up a list of route options.


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You can choose from several options such as:

    • POI icon Off: This option turns off the POI Screen.
    • POI selection: This option allows you to choose points of interest.
    • Cancel route: This option will cancel the current, or first destination. The second programmed destination will then be used.
    • Suspend guidance: This option suspends all current and programmed destinations. See "Suspend Guidance" earlier in Section 2.
    • Chg. route: This option allows you to change the route you wish to take.
    • Map orient/3D view: This option allows you to choose the way you wish to see the map as you travel.

You can also choose Mark and Right Screen to mark points and position the screen.

Choose the desired option and press the center of the joystick to select it.

If you select the Show POI Icons screen, you will see different POI groups that you can choose to view.


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If you want to view a list of local points of interest, press the Local POI List button. The Local POI List screen will show you a list of the closest points of interest you selected. You can then choose and select the POI you want.


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Once you select the desired location, the system will show a map of the area with a symbol marking the destination.

If you choose to register a memory point, you will be able to select an icon of your choice to correspond with that memory point. You will be given a screen with several icons to select from. You can also choose to register that memory point by using a sound, which you select. To select a sound, choose With Sound and press the center of the joystick to select.

Colors on the Screen

When a route has been planned, it will be highlighted on the screen in blue.

Different colors are also used to distinguish between interstate freeways, state highways, county roads, major street and secondary streets. Highways will be shown as a thicker line than a general street.