1993 Pontiac Grand Prix Owner's Manual - Page 107

Features GL Controls Control Buttons (CONT.) SYSTEMS CHECK: Tells you when routine service is needed and, on some models, checks your vehicle's operating systems. Two buttons control adjustments to the calendar: MODE and SET. MODE also controls selection of English or metric units for the Driver Information Center and Head-Up Display, if your vehicle has one. See Cakndar later in this section. See the Index under HeadWp Display. Twlo,buttons control adjustments to the compass: NORTH and CAL.See the Index under Compass. RANGE: Press to see how much farther you can travel before refueling. If this is less than 40 miles (64 k ) a m, message will be displayed. Press again to turnoff the display. Range calculations are based on how much fuel is in the tank and your average fuel economy. For best results, each time you refuel you should reset the range function. To Reset Range: 1. Press RANGE. 2. Press and hold RESET for one second. Range is updated automatically wrhen you reset average fuel economy. AVG SPEED: Press to display your vehicle's average speed during all the time the engine was running since the last time you reset the function. Press again to turnoff the display. To Reset Average Speed: 1. Press AVG SPEED. 2. Press and hold RESET for one second. AVG ECON: Press to display your average fuel economy since last time the you reset the function. Press again to turn off the display. To Reset Average Economy: 1. Press AVG ECON. 2. Press and hold RESET for one second. 106