Retract the slides and the landing gear before adding fluid. Bring the level up to about 1/2" from the fill hole. Adding fluid while everything is extended is a recipe for a sloppy mess in the front compartment.
Carl (n Susan) Youngren There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB