1993 Chevrolet Cavalier Owner's Manual - Page 104
1993 Chevrolet Cavalier Manual
Page 104 highlights
Features & Controls Malfunction IndicatorLamp (Check Engine Lighf) A computer monitorsoperation of your fuel, ignition and emission control systems. This light should come on when the ignition is on, but the engine is not running, as a check to show you it is working. If it does not come on at all, have it fixed right away. If it stays on, or it comes on while you are driving, the computer is indicating thatyou have a problem. You should take your vehicle in for service soon. Liftgate Ajar Light (WAGON) If you keep driving your vehicle with this light on, after a while the emission controls won't work as well, your fuel economywon't be as good and your enginemay not run as smoothly. This could lead to costly repairs notrwered by your warranty. This light will come on if the liftgate is not fully closed. Have your vehicle serviced if this light comes on andstays on after the liftgateis closed. . . I I I02