1995 Buick Roadmaster Owner's Manual - Page 97

Twilight Sentinel (Option) The Twilight Sentinel control below your LIGHTS switch twns your headlampson and off automatically by sensing how darkit is outside. To operate it, leave the LIGHTS switchoff and move the Twilight Sentinel control to any position off. but (The off position is when the white dot on the switch is rotated all the way to the left.) Your Twilight Sentinel and Daytime Running Lamps (Canada Only) work with the light sensor on top of your instrument panel. Doa't cover it up, if you do, it will read "dark"a d 'your lamps willcome on. If you movethe control all the way to the right, your lamps will remain on three minutes after you turn for the ignition toOFF. If you movethe control towardthe left, the lamps will gooff quickly when you turn ignition the from one second to OFF. You can change this delay time to four minutes. When the Twilight Sentinel is turned off, use your LIGHTS switch to operate the headlamps. 2-39