I have the same problem. I also have a 2005 Aveo and have tried everything. I was just told today that the socket needs to be chsnged but cant seem to find them. Brakelight uses same bulb and it works when brakes are pressed. Gentelman at auto store is telling me that it serves dual purpose and the fact that its burnt and breaking off is because I had the wrong bulbs in before. I am now trying to find the sockets. Its also affecting my dash light. Is this ur case?