I apologize in advance for the picture. It is a little hard to see the actual issue. My selectors (defrost, feet, face and feet, etc) light up when I first get in my car. And I can switch between them. Then sometime down the road the lights (little green one's under the selectors) will not show, as seen in the picture. When this happens it is stuck in the same position it was in before they went out. I've checked the plug in the back and it was tight and secure. Any ideas?