Just gently pull straight down. Are you referring to the clips? I guess for extra stability instead of just tape.
I’m not sure about the window vibration issue that you’re having as I haven’t noticed much vibration with mine, before or after installing the visors. At least not enough where I...
No, not at all. Totally transparent and unobstructed (At least from my perspective). I'll try and take a photo or two from the inside looking out as soon as I get a chance.