Thanks for the link. But our sunvisors do not have buttons. There are two gears, one red and one black, that have a flat screw drive slot in them. I tried to turn them, but they seem to be locked in place.
Ron & Susan, Shihpoos Sandy & TooPoo
2018 Tiffin Phaeton 40IH
2019 Chevrolet Colorado Crew Cab 4x4