GM Service Manual Online
For 1990-2009 cars only

The DIC comes on when the ignition is on. After a short delay the DIC will display the current driver and the information that was last displayed before the engine was turned off.

If a problem is detected, a warning message will appear on the display. Pressing any of the DIC buttons will acknowledge any current warning or service messages.

The DIC has different modes which can be accessed by pressing the four buttons on the DIC. These buttons are trip information, fuel information, personalization and select. The button functions are detailed in the following.

If your vehicle is not equipped with the DIC steering wheel buttons not all of the features listed will be available on your vehicle.

Trip Information Button

Use the trip information button to scroll through the ODOMETER, PERSONAL TRIP ON/OFF, BUSINESS TRIP ON/OFF, HOURMETER, ANNUAL LOG and TIMER. If the personal trip and/or the business trip are set to ON, you will also be able to scroll through more messages. See Personal Trip and Business Trip next for more information.

If your vehicle is not equipped with the DIC steering wheel buttons you can select the trip information by pressing the trip odometer reset stem on the instrument panel cluster.

Personal Trip

If the PERSONAL TRIP is on (turn it on or off by pressing the select button) you will also be able to scroll through the following:

    • PERSONAL: XX MI -- This shows the current distance traveled since the last reset for the personal trip odometer in either miles or kilometers.
    • PERSONAL: XX.X GAL -- This shows the amount of fuel used for the personal trip.
    • PERSONAL: XX.X MPG -- This shows how many miles per gallon of fuel your vehicle is getting for the personal trip based on current and past driving conditions.
    • PERSONAL: AVG MPH -- This shows the vehicle's average speed for the personal trip.
    • PERSONAL: % ANNUAL -- This shows the ratio of personal trip miles to annual miles as a percent.

You can reset the personal trip odometer by pressing and holding the trip odometer reset stem.

Business Trip

If the BUSINESS TRIP is on (turn it on or off by pressing the select button) you will also be able to scroll through the following:

    • BUSINESS: XX MI -- This shows the current distance traveled since the last reset for the business trip odometer in either miles or kilometers.
    • BUSINESS: XX.X GAL -- This shows the amount of fuel used for the business trip.
    • BUSINESS: XX.X MPG -- This shows how many miles per gallon of fuel your vehicle is getting for the business trip based on current and past driving conditions.
    • BUSINESS: AVG MPH -- This shows the vehicle's average speed for the business trip.
    • BUSINESS: % ANNUAL -- This shows the ratio of business trip miles to annual miles as a percent.

To reset the personal or business trip information, do the following: press and hold select button for two seconds while in one of the personal or business trip modes. This will reset all of the information for the personal or business trip, or if your vehicle does not have the DIC steering wheel control buttons, press the reset stem on the instrument panel cluster.

You can also reset the PERSONAL: XX MI, or BUSINESS: XX MI, while they are displayed by pressing the reset stem on the cluster. If you press and hold the reset stem or select button for four seconds, the display will show the distance traveled since the last ignition cycle for the personal or business trip.

Odometer

Press the trip information button, or the trip odometer reset step, until SEASON ODOMETER appears on the display. This shows the total distance the vehicle has been driven in either miles or kilometers. Pressing the reset stem located on the instrument cluster with the vehicle off will also display the season odometer.

Hourmeter

Press the trip button to scroll to the hourmeter. The hourmeter shows the total number of hours the engine has run. Pressing the reset stem on the instrument cluster will also display the hourmeter after the season odometer is displayed.

Annual Log

Press the trip button, or the reset stem on the instrument panel cluster, to scroll to the annual log. The annual log shows the mileage accumulated since it was last reset. To reset the annual log, press and hold the select button, or the trip odometer reset stem for approximately two seconds.

Timer

The DIC can be used as a stopwatch. Press the select button, or the trip odometer reset stem, while TIMER is displayed to start the timer. The display will show the amount of time that has passed since the timer was last reset (not including time the ignition is off). Time will continue to be counted as long as the ignition is on, even if another display is being shown on the DIC. The timer will record up to 99 hours, 59 minutes and 59 seconds (99:59:59) after which the display will roll back to zero.

To stop the counting of time, press the select button briefly while TIMER is displayed.

To reset the timer to zero, press and hold the select button, or the trip odometer reset stem, while TIMER is displayed.

Fuel Information Button

Use the fuel information button to scroll through the range, average fuel economy, instant fuel economy and the GM Oil Life System™.

If your vehicle is not equipped with the DIC steering wheel control buttons you will not be able to display the fuel information.

Fuel Range

Press the fuel information button until RANGE appears to display the remaining distance you can drive without refueling. It's based on fuel economy and the fuel remaining in the 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.

Average Fuel Economy

Press the fuel information button until AVG appears in the display. Average fuel economy is how many miles per gallon your vehicle is getting based on current and past driving conditions.

Press and hold the select button 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.

Instant Fuel Economy

Press the fuel information button until INST appears in the display. Instant fuel economy is how many miles per gallon your vehicle is at the particular moment in time. The instant fuel economy cannot be reset.

GM Oil Life System™

Press the fuel information button until ENGINE OIL LIFE appears in the display. The GM 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 your oil on a schedule consistent with your driving conditions.

Always reset the engine oil life after and oil change. To reset the Oil Life System press and hold the select button while ENGINE OIL LIFE is displayed. OIL LIFE RESET will appear on the display for 10 seconds to let you know the system is reset.

The DIC does not replace the need to maintain your vehicle as recommended in the Maintenance Schedule in this manual. Also, the oil change reminder does not measure how much oil you have in your engine. So, be sure to check your oil level often. See Engine Oil .

Personalization Button

You can program certain features to a preferred setting for up to two people. Press the personalization button to scroll through the following personalization features. All of the personalization options may not be available on your vehicle. only the options available will be displayed on your DIC.

If your vehicle is not equipped with the DIC steering wheel buttons you will not have any of these personalization options except for DISPLAY LANGUAGE. See DISPLAY LANGUAGE later in this section for more information.

    • AUTOMATIC LOCKING
    • AUTOMATIC UNLOCKING
    • REMOTE LOCK FEEDBACK
    • ALARM WARNING TYPE
    • REMOTE UNLOCK FEEDBACK
    • HEADLAMPS ON AT EXIT
    • PERIMETER LIGHTING
    • SEAT POSITION RECALL
    • EASY EXIT DRIVER SEAT
    • CURB VIEW ASSIST
    • DISPLAY LANGUAGE
    • DISPLAY UNITS (ENG/MET)

The default options for the above features were set when your vehicle left the factory. The default options are noted in the text following, but may have been changed from their default state since then. The driver's preferences are recalled by pressing the unlock button on the remote keyless entry transmitter or by pressing the appropriate memory button 1 or 2 located on the driver's door.

Alarm Warning Type

Press the personalization button until ALARM WARNING TYPE appears in the display. To select your personalization for alarm warning type, press the select button while ALARM WARNING TYPE is displayed on the DIC. Pressing the select button will scroll through the following choices:

ALARM WARNING: BOTH (default): The headlamps will flash and the horn will chirp when the alarm is active.

ALARM WARNING: OFF: There will be no alarm warning on activation.

ALARM WARNING: HORN: The horn will chirp when the alarm is active.

ALARM WARNING: LAMPS: The headlamps will flash when the alarm is active.

Choose one of the four options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature. For more information on alarm warning type, see Content Theft-Deterrent .

Automatic Locking

Press the personalization button until AUTOMATIC LOCKING appears in the display. To select your personalization for automatic locking, press the select button while AUTOMATIC LOCKING is displayed on the DIC. Pressing the select button will scroll through the following choices:

LOCK DOORS MANUALLY: The doors will not be locked automatically.

LOCK DOORS WITH SPEED: The doors will lock when the vehicle speed is above 8 mph (13 km/h) for three seconds.

LOCK DOORS OUT OF PARK (default): The doors will lock when the vehicle is shifted out of PARK (P).

Choose one of the three options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature. For more information on automatic door locks see Programmable Automatic Doors Locks .

Automatic Unlocking

Press the personalization button until AUTOMATIC UNLOCKING appears in the display. To select your personalization for automatic unlocking, press the select button while AUTOMATIC UNLOCKING is displayed on the DIC. Pressing the select button will scroll through the following choices:

UNLOCK ALL IN PARK (default): All of the doors will unlock when the vehicle is shifted into PARK (P).

UNLOCK ALL AT KEY OUT: All of the doors will unlock when the key is taken out of the ignition.

UNLOCK DOORS MANUALLY: The doors will not be unlocked automatically.

UNLOCK DRIVER IN PARK: The driver's door will be unlocked when the vehicle is shifted in PARK (P).

Choose one of the four options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature. For more information on automatic door locks see Programmable Automatic Door Locks .

Seat Position Recall

Press the personalization button until SEAT POSITION RECALL appears on the display. To select your personalization for seat position recall, press the select button while SEAT POSITION RECALL is displayed on the DIC. Pressing the select button will scroll through the following choices:

SEAT POSITION RECALL OFF (default): The memory seat position you saved will only be recalled when the memory button 1 or 2 is pressed on the driver's door panel.

SEAT POSITION RECALL AT KEY IN: The memory seat position you saved will be recalled when you put the key in the ignition.

SEAT POSITION RECALL ON REMOTE: The memory seat position you saved will be recalled when you unlock the vehicle with the remote keyless entry transmitter.

Choose one of the three options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature. For more information on seat position recall see Memory Seat .

Perimeter Lighting

Press the personalization button until PERIMETER LIGHTING appears in the display. To select your personalization for perimeter lighting, press the select button while PERIMETER LIGHTING is displayed on the DIC. Pressing the select button will scroll through the following choices:

PERIMETER LIGHTING ON (default): The headlamps and back-up lamps will come on for 40 seconds, if it is dark enough outside, when you unlock the vehicle with the remote keyless entry transmitter.

PERIMETER LIGHTING OFF: The perimeter lights will not come on when you unlock the vehicle with the remote keyless entry transmitter.

Choose on of the two options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature.

Remote Lock Feedback

Press the personalization button until REMOTE LOCK FEEDBACK appears in the display. To select your personalization for the feedback you will receive when locking the vehicle with the remote keyless entry transmitter, press the select button while REMOTE LOCK FEEDBACK is displayed on the DIC. Pressing the select button will scroll through the following choices:

LOCK FEEDBACK: BOTH (default): The parking lamps will flash each time you press the button with the lock symbol on the remote keyless entry transmitter and the horn will chirp the second time you press the lock button.

LOCK FEEDBACK: OFF: There will be no feedback when locking the vehicle.

LOCK FEEDBACK: HORN: The horn will chirp the second time you press the button with the lock symbol on the remote keyless entry transmitter.

LOCK FEEDBACK: LAMPS: The parking lamps will flash each time you press the button with the lock symbol on the remote keyless entry transmitter.

Choose one of the four options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature.

Remote Unlock Feedback

Press the personalization button until REMOTE UNLOCK FEEDBACK appears in the display. To select your personalization for the feedback you will receive when unlocking the vehicle with the remote keyless entry transmitter, press the select button while REMOTE UNLOCK FEEDBACK is displayed on the DIC. Pressing the select button will scroll through the following choices:

UNLOCK FEEDBACK: LAMPS: The parking lamps will flash each time you press the button with the unlock symbol on the remote keyless entry transmitter.

UNLOCK FEEDBACK: BOTH (default): The parking lamps will flash each time you press the button with the unlock symbol on the remote keyless entry transmitter and the horn will chirp the second time you press the unlock button.

UNLOCK FEEDBACK: OFF: There will be no feedback when unlocking the vehicle.

UNLOCK FEEDBACK: HORN: The horn will chirp the second time you press the button with the unlock symbol on the remote keyless entry transmitter.

Choose one of the four options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature.

Headlamps on at Exit

Press the personalization button until HEADLAMPS ON AT EXIT appears in the display. To select your personalization for how long the headlamps will stay on when you turn off the vehicle, press the select button while HEADLAMPS ON AT EXIT is displayed on the DIC. Pressing the select button will scroll through the following choices:

    • HEADLAMPS DELAY: 10 SEC (default)
    • HEADLAMPS DELAY: 20 SEC
    • HEADLAMPS DELAY: 40 SEC
    • HEADLAMPS DELAY: 60 SEC
    • HEADLAMPS DELAY: 120 SEC
    • HEADLAMPS DELAY: 180 SEC
    • HEADLAMPS DELAY OFF

The amount of time you choose will be the amount of time that the headlamps stay on after you turn off the vehicle. If you choose off, the headlamps will turn off as soon as you turn off the vehicle.

Choose one of the seven options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature.

Curb View Assist

Press the personalization button until CURB VIEW ASSIST appears in the display. To select your personalization for curb view assist, press the select button while CURB VIEW ASSIST is displayed on the DIC. Pressing the select button will scroll through the following choices:

CURB VIEW: OFF (default): Neither outside mirror will be tilted down when the vehicle is shifted into REVERSE (R).

CURB VIEW: PASSENGER: The passenger's outside mirror will be tilted down when the vehicle is shifted into REVERSE (R).

CURB VIEW: DRIVER: The driver's outside mirror will be tilted down when the vehicle is shifted into REVERSE (R).

CURB VIEW: BOTH: The driver's and passenger's outside mirror will be tilted down when the vehicle is shifted into REVERSE (R).

Choose one of the four options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature. For more information on curb view assist, see Curb View Assist Mirrors in the Index.

Easy Exit Seat

Press the personalization button until EASY EXIT SEAT appears in the display. To select your personalization for seat position exit, press the select button while EASY EXIT SEAT is displayed on the DIC. Pressing the select button will scroll through the following choices:

SEAT POSITION EXIT OFF (default): The driver's seat will move to the exit position when the exit button on the driver's door panel is pressed.

SEAT POSITION EXIT ON: The driver's seat will move to the exit position when the key is removed from the ignition.

Choose one of the two options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature. For more information on the seat position exit see Memory Seat .

Display Units (ENG/MET)

Press the personalization button until DISPLAY UNITS appears in the display. To select English or metric, press the select button while DISPLAY UNITS is displayed on the DIC. Pressing the select button will scroll through the following choices:

    • UNITS: ENGLISH
    • UNITS: METRIC

If you choose English, all information will be displayed in English units. For example, distance in miles and fuel economy in miles per gallon.

Choose one of the two options and press the personalization button while it is displayed on the DIC to select it and end out of the personalization options.

Display Language

To select your personalization for display language, press the select button while DISPLAY LANGUAGE is displayed on the DIC. Pressing the select button will scroll through the following languages:

    • English
    • French
    • Spanish

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 season odometer mode.

Choose one of the three options and press the personalization button while it is displayed on the DIC to select it.

If you accidentally choose a language that you don't want or understand, press and hold the personalization 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, French will be in French and so on. When you see the language that you would like, release both buttons. The DIC will then display the information in the language you chose.

Select Button

The select button is used to reset certain functions and turn off or acknowledge messages on the DIC display. The select button also toggles through the options available in each personalization menu. For example, this button will reset the trip odometers, turn off the FUEL LEVEL LOW message, and toggle through the languages you can select the DIC to display information in.