1998 Buick Riviera Owner's Manual - Page 141

Oil Pressure Light This light tells you there if could bea problem with your engine oil pressure. When this light comes on and stays on, it means oil isn't going through your engine properly. could be low You on oil, or you might have some other oil problem. I on'tkeepdriving j he I pressure is low ! you do, your engine can become hot that it so catches fire.You or others could be burned. Check your oil assoon as possible and have your vehicle serviced. 2-74