the set screw on the wiper knob will take a small flat tip screw driver, grab the wiper knob as if you were gonna turn it on & feel with your finger next to the dash & you will feel the flat spot thats where the screw is. on the light switch , reach under the dash & feel around the light switch & you will feel the button , it will be on 1 of the sides of the switch . once you find it depress the switch the knob & shaft that goes into the switch will come out.
