Hey ukycats - which car dock did you get? I bought one (I think through the VZ store) not long ago and it seems the large suction cup doesn't want to stick very well unless you wipe the cup with water first, then stick it onto a clean surface. Do you have any problems with yours not wanting to stick?
Well, I don't use the car doc in my car but if I did, I'd go ahead and use alcohol. I use the dock for my charger / holder in my bathroom for when I'm getting ready for work in the morning. I stream Netflix and use an external JBL OnStage so it's like having a little tv in my bathroom. I found that if I take a wet washcloth and swipe it across the suction cup and also wipe down the countertop so there's no dust or anything else on the surface, it sticks well. If it didn't stick using water, I was going to resort to something sticky like honey but I didn't have to.