Don't let anyone interrupt or distract you while you are:
- Getting the 5er hitched to the truck, your truck's bed rails and tailgate are expensive to get fixed.
- Un-hitching the 5er from the truck, don't forget to put the tailgate down before moving the truck.
- Filling the fresh water tank. (shut off the water supply once the fresh tank gauge light indicates tank is full, don't wait for water to gush out of the tank vent hole.) p.s. the fresh tank indicator light is most likely the only accurate one of all of the tanks, black and gray tank sensors are notorious for not being accurate.