I put the 3M tape vent visors on my 99.5 two days after I brought it home new from the dealer in July of '99. They're still right where I put them.
The trick is to throw away the little alcohol wipes in the kit and use something like Goof Off to clean the area where the tape sticks...
I believe I have a vacuum issue with the AC selector switch. All of a sudden the switch stopped working. Now when I turn on the AC it only comes out the defroster and will not blow out the vents regardless of where the switch is set.
Anyone ever have this problem? Any suggestions?