Back in the day my old TTs’ roof vents: hand crank open/close & push the on/off button… no maintenance and worked every time. Easy-Peasy. My last two TT’s: automatic roof vents with remote controls...
Yea, but now you can sit in the plush recliner, hit the remote and if something breaks...all you have to say to your phone is.."Hey google (or Siri) call a repair guy to fix (name of part)" No hunting down the 100 page catalog, find the pic of it and then go to the rv place to get it.