1999 Buick Riviera Owner's Manual - Page 129

yellowblue Speedometer and Odometer Your speedometer lets you see your speed in both miles per hour (mph) and kilometers per hour (km/h). Your odometer shows how far your vehicle has been driven, in either miles (used in the United States) or kilometers (used in Canada). Trip Odometer A trip odometer can tell you how many miles you have driven since you last reset it back to zero. To reset the trip odometer, push the TRIP RESET button. Tachometer The tachometer tells you how fast the engine is running. It displays engine speed in revolutions per minute (rpm). NOTICE: Do not operate the engine with the tachometer in the red area, or engine damage may occur. 2-67