1993 Cadillac Seville Owner's Manual - Page 128

The low beam headlightswill come on at reduced brightness daylight in when: The ignition is on The headlight switch is off, and The transaxle is not in "P" (Park). At dusk,if the Twilight Sentinel feature is turned on, the exterior lights will come onautomatically and the beams will change tofull low low brightness. At dawn,the exteriorlights will go out and the beams will change to the reduced brightness DRL (if the headlightswitch is off). of Of course, you may still turn on the headlights any time need to. you To idle your vehicle with the DRL off, shift the transaxle into"P" (Park). The DRL will stay off until you shift out "P" (Park). of Reading Lights You have readinglights located in the roof. These lights and the interior courtesy lights will come on when you open a door. Push the button to turn them on. Push it off. again to turn them 114