Well we finally got out to glamp this weekend. The first trip is always interesting to see if anything comes apart after its winter nap. About 30 minutes into our drive the drivers mirror starts movin...
Go on the web site of the company that made the mirror. Find your mirror and the schematic for it. That should show you where the adjustment and locking screws are. My passenger side Velvac mirror wants to rotate by itself and I have to snug up the locking screw regularly.