2009 Cadillac STS-V Owner's Manual - Page 191

To operate the vehicle with the DRL off, turn the exterior lamp control off and then do one of the following: Light Sensor • Turn the exterior lamp control to the parking lamp position. • Turn the exterior lamp control to the headlamp position. • Turn the exterior lamp control from AUTO to off and back to AUTO. An AUTOMATIC LIGHTS OFF message will appear on the DIC, showing that automatic lighting has been disabled. See DIC Warnings and Messages on page 3-79. The regular headlamp system should be turned on when needed. The light sensor for the DRL is located on top of the instrument panel. If the sensor is covered, it will prevent it from sensing light, and the exterior lamps may come on when they are not needed. 3-37