For the first few months after I bought my truck (3 years ago) the RDS worked and the radio scrolled the artist and title of my FM station. Then, for some reason, it stopped and only showed the name of the station and genre of the music, usually "rock". I didn't think much of it because I usually listen to CD's. Anyway, after nearly three years of not working, it started working again last week, showing me the artist and title. All day yesterday, however, it went back to only showing me the station name. Does eveyone else's show up intermittently as well, or do you think something is loose in the unit?