Lately, on occasion, the "code" message would come on on my stock radio upon starting the car. I'd then enter the number and everything works just fine. This has happened maybe six or so times over the past two weeks, and not every time I start or restart the car either; it seems random. I haven't been experiencing any electrical problems, the battery is only about a year old, so I don't know what's going on
, anyone have any ideas...?