1993 Buick LeSabre Owner's Manual - Page 114

I NOTICE: If you keep driving your vehicle wlrn rnis llgr In, after a while the emission controls won't as worK well, your fuel economy won't be as good and your engine may not run smoothly. This could as Engine Oil Pressure Light And Gage i This light tells you if there could be a problem with your engine oil pressure. If your car has the optional gage cluster, you can read your oil pressure directly from the gage on your instrument panel. There are three ways this light can come on briefly, which is normal and doesn't show a problem. They are: 1. The light comes on when you turn your key to "Run." It goes off once you turn it to Start. That's just a check to be sure the light works. If it doesn't, be sure to have it fixed so it will be there to warn you if something goes wrong. 112