When you turn the ignition on, the DIC will display your DRIVER NUMBER. You can have your dealer program your name to replace the driver identifier. See your dealer for more information.

The system will then perform a status check and display any messages if a problem is detected. If there are no problems detected, the display will return to the mode selected by that driver the last time the ignition was turned off.

If a problem is detected, a diagnostic message will appear in the display. The message center is continuously updated with the vehicle's performance status.

The following information will show the messages you may see on the DIC display.

The following buttons are on the DIC control panel which is located to the right of the instrument panel cluster:

E/M (English/Metric):  This button allows you to change the display between English and metric units.

TRIP RESET: This button allows you to reset your trip odometer. To reset the trip odometer, press the TRIP RESET button. The trip odometer will now accumulate miles (kilometers) until the next reset.

MODE: This button allows you to toggle through the DIC modes (Vehicle Data, Personalization Programming, Compass Calibration).

SELECT: This button allows you to select a DIC mode.

RESET: This button, when used along with other buttons, will allow you to reset system functions.

Vehicle Data

Average Fuel Economy: Press the SELECT button until the display shows AVG FUEL ECONOMY. Average fuel economy is viewed as a long term approximation of your overall driving conditions. To learn the average fuel economy from a new starting point, press the RESET button for five seconds while the average fuel economy is displayed on the DIC.

Instantaneous Fuel Economy: Press the SELECT button until the display shows INST FUEL ECONOMY. Instantaneous fuel economy varies with your driving conditions, such as acceleration, braking and the grade of the road being traveled. The RESET button does not function in this mode.

Fuel Range: Press the SELECT button until the display shows FUEL RANGE. The fuel range will calculate the remaining distance you can drive without refueling. This calculation is based on the average fuel economy for the last 25 miles (40.25 km) driven, and the fuel remaining in the fuel tank. If the fuel range drops below 40 miles (64.4 km), the display will show FUEL RANGE LOW. The RESET button does not function in this mode.

Fuel Used: Press the SELECT button until the display shows FUEL USED. The value indicates how much fuel has been used since the last reset. Don't confuse fuel used with the amount of fuel in your tank. To learn how much fuel will be used from a specific starting point, press the RESET button for five seconds while the fuel used is displayed on the DIC.

Battery Volts: On vehicles with a supercharged engine, press the SELECT button until the display shows BATTERY VOLTS. If the voltage is normal the display will show BATTERY ## VOLTS. If the voltage drops below 10.5 volts for 30 seconds, the battery volts display will show BATTERY LOW. If the voltage is above 16.2 volts for 30 seconds, the battery volts display will show BATTERY HIGH. If the display shows the high or low message, you need to have your battery and/or electrical system checked.

GM Oil Life System™: Press the SELECT button until OIL LIFE appears in the display. The OIL LIFE NORMAL display will show an estimate of the oil's remaining useful life. When the oil life index is less than 10%, an ENGINE OIL CHANGE SOON message will be displayed and the oil life display will show OIL LIFE CHANGE. When you have the oil changed according to the maintenance schedule, you will have to reset the Oil Life System. To reset the Oil Life System, see "When to Change Engine Oil" under Engine Oil .

Tire Pressure Status: Press the SELECT button until TIRE PRESSURE appears in the display. TIRE PRESSURE NORMAL is displayed when the Check Tire Pressure System believes your vehicle's tire pressures are normal. If a potential problem is detected, the display will show CHECK TIRE PRESSURE and the tire pressure status will show TIRE PRESSURE LOW. If you see the CHECK TIRE PRESSURE message, you should stop as soon as you can and check all your tires for damage. (If a tire is flat, see If a Tire Goes Flat .) Also check the tire pressure in all four tires as soon as you can. See Inflation - Tire Pressure and Check Tire Pressure System .