When you turn the ignition on, the DIC will display your driver number. You can have your dealer program your name to appear on this display line. 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 following pages will show the messages you may see on the DIC display.

The message center is continuously updated with the vehicle's performance status.

ODO/TRIP (Odometer/Trip)

When this button is pressed, the display will show the total mileage, and TRIP 1 or TRIP 2 miles. TRIP 1 and TRIP 2 will display the miles traveled since the last reset. To reset the trip odometer, press the ODO/TRIP button until the trip miles are shown in the DIC display, then press the RESET button. The trip odometer will now accumulate miles until the next reset.

FUEL INFO (Information)

Fuel Used: Press the FUEL INFO button until the display shows FUEL USED. This display will show you how much fuel has been used since the last reset. To learn how much fuel is used from a new starting point, press the RESET button while the fuel used is displayed in the DIC.

Fuel Range: Press the FUEL INFO 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. The RESET button does not function in this mode.

Instantaneous Fuel Economy: Press the FUEL INFO button until the display shows FUEL ECONOMY INST. 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.

Average Fuel Economy: Press the FUEL INFO button until the display shows FUEL ECONOMY AVERAGE. 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 while the average fuel economy is displayed in the DIC.

GAGE INFO (Information)

Coolant Temperature: Press the GAGE INFO button until COOLANT TEMP appears in the display. If there are no problems detected with the temperature, COOLANT TEMP NORMAL will appear in the display. If the temperature is too high, COOLANT TEMP HOT will appear in the display. If you see the COOLANT TEMP HOT message, your engine is overheated. You should pull off the road, stop your vehicle and turn off your engine as soon as possible. This manual explains what to do. See Engine Overheating .

Tire Pressure:  Press the GAGE INFO 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 tire pressure problem is detected, the display will show TIRE PRESSURE LOW.

Battery Volts:  Press the GAGE INFO button until the display shows BATTERY STATE. If the voltage is normal the display will show BATTERY STATE NORMAL. If the voltage drops below 10.5 volts, the display will show BATTERY STATE LOW. If the voltage is above 16 volts, the display will show BATTERY STATE HIGH. If the display shows the high or low message, you need to have your battery checked.

Oil Pressure: Press the GAGE INFO button until OIL PRESSURE appears in the display. If there are no problems detected with the oil pressure, the display will show OIL PRESSURE NORMAL. If a low oil pressure condition is detected, the display will show OIL PRESSURE LOW. If you see the OIL PRESSURE LOW message, you could be low on oil or your oil is not going through the engine properly. See your dealer for service.

Oil Life System: Press the GAGE INFO button until OIL LIFE INDEX appears in the display. The OIL LIFE INDEX NORMAL display will show an estimate of the oil's remaining useful life. When the oil life index is less than 10% the display will show OIL LIFE INDEX CHANGE OIL. When you have the oil changed, you will have to reset the GM Oil Life System. To reset the Oil Life System, see Engine Oil .