1997 Oldsmobile Cutlass Supreme Owner's Manual - Page 107

Tachometer I Warning Lights, Gages and Indicators This part describes the warning lights and gages that may be on your vehicle. The pictures will help you locate them. RPM x 1000 4 Warning lights and gages can signal that something is wrong beforeit becomes serious enough to cause an expensive repair or replacement. Paying attention to your warning lights and gages could also save you or others from injury. Warning lights come on when there may be isor a problem with oneof your vehicle's functions. As you will seein the details on the next few pages, some warning lights come on briefly when you start the engine just to let you know they're working. If you are familiar with this section, you should not be alarmed when this happens. The tachometer shows your engine speed in revolutions per minute (rpm). I NOTICE: Do not run your engine at speeds in the red area, or engine damage may occur.