1997 Pontiac Bonneville Owner's Manual - Page 117

Tachometer The tachometer shows your engine speed in revolutions per minute (rpm). Do not run your engine at speeds in the red area. Warning lights come on when there may be or is a problem with one of your vehicle's functions. As you will see in the details on the next pages, some few warning lights come on briefly when you start the engine just to let you know they're working. If you are familiar with thissection, you should not be alarmed when this happens. Warning Lights, Gages and Indicators This part describes the warning lights and gages that may b'e your vehicle. The pictures will help you on locate them. Warning lights and gages can signal that something is wrong before it becomes serious enough to cause an expensive repair or replacement. Paying attention to your warning lights and gages could also save you or Gages can indicate when there maybe oris a problem with one of your vehicle's functions. Often gages and warning lights worktogether to let you know when there's aproblem with your vehicle. When one of the warning lights comes on and stays on when you are driving, or when one of the gages shows there may be a problem, check the section that tells you what to do about it. Please follow this manual's advice. Waiting to do repairs can be costly -- and even dangerous. So please get to know your warning lights and gages. They're a big help. Your vehicle may also have a driver information system that works along with the warning lights and gages. See "Driver Information Center" in the Index. others from injury. 2-64