Fan Light Bulbs How Do I Change Fan Switch For A/c And The Light Bulbs In Radio Buttons? ?

How do I change fan switch for a/c and the light bulbs in radio buttons? ? - fan light bulbs

I have an '05 Chevy Silverado 2500 HD. The fan works only at 3 a.m. to 4 p.m. speeds. I suppose that is the change badly. The lighting in the display buttons are off, there is a possibility, the lamps on the screen change. The temperature glide. Controls for the lights are out of control climate can also be changed and how?