you need to put this on the Montana board manufacturer reads it daily dealers should pull the cowl and see if any broken welds probably a Lippert problem . I would not tow it anywhere good luck
We still have our 2005 montana 3650rk not interested in the new ones in MHO the new ones are fancier but not as well made just my opinion either or is good and deff a dully
Go to a major truck stop they have atlases with all the info you need i use a Garman Nuvi 465 with a truck program it tells me where i cannot go. Only thing to really watch out for is major citys like Chicago the overpasses are not always marked corr...
I use pressure pro have had it about 10 years great product semi's use them i have them on the trl and dully not cheap batteries good about 6 years before you have to replace them 35.00 each, but worth it