I have an 06 chevy hhr. Inside, is a tiny little light where in most cars, a dome light would be. Instead, the dome lights are on the bottom of the rear view mirror. I'm confused as to what this little light is though. It almost looks like an LED light, it's smaller than a dime, it's on constantly during the night (I can't tell if it's on during the day or not). I know it's a factory standard thing, because I've seen picture of other HHRs that have the same light. I can't find anywhere what it's called or what it's for though.
