2014 Chevrolet SS Owner Manual - Page 132

6-2 Lighting To turn off the DRL, turn the exterior lamp control to O and then release. There is a light sensor on top of the instrument panel. Do not cover the sensor; otherwise the headlamps will come on when they are not needed. The system may also turn on the headlamps when driving through a parking garage or tunnel. When it is bright enough outside, the headlamps turn off. The automatic headlamp system turns off when the exterior lamp control is turned to P or the ignition is off. The automatic headlamp system defaults to on with each ignition cycle. Daytime Running Lamps (DRL) DRL can make it easier for others to see the front of your vehicle during the day. The DRL system makes the headlamps come on at a reduced brightness when the following conditions are met: . . Automatic Headlamp System When it is dark enough outside and the exterior lamp control is in the automatic position, the headlamps and parking lamps will turn on and off automatically. See Exterior Lamp Controls on page 6-1. The engine is running. The exterior lamp control is in AUTO. Shift lever is out of (P) position. The light sensor determines it is daytime. . . When the DRL are on, the taillamps, instrument panel lights, and other lamps will not be on. The headlamps automatically switch from DRL to the regular headlamps depending on the darkness of the surroundings. See "Automatic Headlamp System" following.