The trunk was left open for a couple of days and the trunk light ran the battery dead. It's been recharged and everything works fine except: (1) "CODE" shows up on the radio screen and when I try to input the code (that I've used before after changing the battery) it doesn't seem to respond to the input and (2) I'm unable to reset the clock, which I've done many times before. Any thoughts?

 

Pull the battery cable again and let it reset