Welcome to the forum. Your owner's manual is a good place to start, plus a self-guided hands-on tour of all your engine, generator, mechanical, plumbing, and storage compartments.
Did the dealer do this kind of tour for you when you took delivery?
There are usually good YouTube videos available too IMO.
The AI19 is a nice design IMO, and one we would consider getting. There are many "Interstate 19" posts in the Sprinter and B-Van forum FYI:
. . . and also in other spots all over AirForums: