2003 Buick Regal Owner's Manual - Page 150

The Driver Information Center has three buttons that control its functions. The English/Metric (E/M), RESET and MODE buttons for the Driver Information Center are located to the left of the steering wheel, just below the instrument panel cluster. OIL LIFE MONITOR: This mode shows an estimate of the oil's remaining useful life. When the oil life index is less than IO%, the CHANGE OIL SOON light will come on. When you have the oil changed according to the maintenance schedule. See Part A: Scheduled Maintenance Services on page 6-4. You will have to reset the CHANGE OIL SOON light. To reset the CHANGE OIL SOON light, see "How to Reset the System" under Engine Oil on page 5-15. Also, see "When to Change Engine Oil (GM Oil Life SystemTM)" under Engine Oil on page 5-15 and Part A: Scheduled Maintenance Services on page 6-4. U M (EngIish/Metric): Press this button to change the display from English to metric. RESET: Press this button to reset the mode displayed. MODE: Press this button to change the mode being displayed. Modes AVG ECON (Average Economy): This mode shows your average fuel economy since you last resetthis mode. Average fuel economy is viewed as a long term approximation of your overall driving and 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. INSTANTANEOUS FUEL ECONOMY: This mode shows your current fuel economy. Instantaneous fuel economy varies with your driving conditions, such as acceleration, braking and the grade of the road being traveled. The instantaneous fuel economy display cannot be reset. RANGE: This mode shows the approximate distance you can drive without refueling. This is based on the amount of fuel in the tank and on the fuel economy of the most recent 25 miles (40 km). This display cannot be reset.. BOOST GAGE: If you have the supercharged engine, this gage will show the amount of boost your engine is receiving. This display cannot be reset. 3-45