2003 Pontiac Grand Prix Owner's Manual - Page 163

Control Buttons The trip computer has three buttons that control its functions. ENG/MET (English/Metric): Press this button to change the display from English to metric units or metric to English. RESET: Press this button for two seconds to reset the mode displayed. MODE: Press this button to change the function mode, (Fuel Used, AVG ECON, OIL LIFE, RANGE) being displayed. OIL LIFE: This shows a percentage of the engine's oil remaining useful life. The system predicts remaining oil life using data from length of drives, coolant temperature, engine rpm and vehicle speed. Each time you get an oil change, be sure to reset this function so that it will give you an accurate percentage. See "How to Reset the GM Oil Life System" under Engine Oil on page 5-18. RANGE: This mode shows how much farther you can travel with the fuel you have remaining in the gas tank before refueling. When the range displays L, for 40 to 50 miles (64.36 to 80.45 km), the display will flash LOW continuously. The range is calculated from the AVG ECON value multiplied by the fuel remaining in the tank. LOW: This light will come on the vehicle outline when the ignition is on and the fluid in the washer fluid container is low. Functions FUEL USED: This mode shows the total amount of fuel used since you last reset it. amount The can be displayed in gallons or liters. AVG ECON (Average Economy): This mode shows the average fuel economy since you last reset it. 3-42