On the door and by the passenger seat you will see a little cover about even with the mirror. Remove the cover and there will be a nut you can loosen to adjust mirror. You can adjust front to rear and toward or away from coach but you cannot make the mirror any taller. On mine the passenger side is to low to see the lower mirror well so I added a mirror o the top.
My 1990 Southwind has a carburetor and it has a 105 gallon fresh water tank.
Please check your tires for age before embarking on a trip.
I have an electronic copy of the owners manual and other items if you PM me with an email address I will forward them to you. The owners manual does not help much