Every part ships with a guide. This is the online version — photos, steps, and the things worth knowing before you start.
Step-by-step: remove the old vent assembly, swap the louver blades, reinstall. No special tools required.
Swapping the factory single gauge bezel takes about ten minutes and no special tools. The same process applies to the blank panel.
The triple gauge bezel is a trim cover over the gauge mount behind it. Removing and installing it takes about 20 minutes.