We have a 2016, 25; Forest River Sabre 5th wheel. For the sake of this scenerio, let's say the truck and trailer is on perfectly level ground both front and side to side. Typically when attached to the truck the front of the trailer is approx. 4-5...
Garmin sells the "Garmin RV Navigator", let's you enter in all your RV & truck info, (height / length etc) then directs you accordingly, no monthly fees, bo need to be online etc. I got mine used at a good cost on one of the local marketplaces.
