How do running lights 2007 Cadillac STS work?

The running lights on a 2007 Cadillac STS function as daytime running lights (DRLs) to enhance visibility while driving during daylight hours. They automatically activate when the vehicle is in gear and the headlights are off, illuminating the front lights at a reduced intensity. This feature helps to make the vehicle more noticeable to other drivers, improving safety. The system can typically be controlled through the vehicle's headlight switch settings.