I have a 2003 cts and all at once my key fob stopped working with both power seats and my trunk release any thought or help would be awesome I went threw the fuses and no relays seam to be clicking I had a friend sit in my passenger seat that was a bigger guy and my lights where pulsating wile going over bumps but everything elese was fine when he got out.. I was driving the car for a week and it seamed good up until now