We drove ourselves crazy the first year trying to guess the tilt. We have a 24F and added a LevelMate Pro. Set the coach at level with the slide out, then brought the slide in, set the LevelMate Pro as level in this position (actually 1.5" h on slide side). Now we park and level with our legos to our LevelMate Pro programmed level, push the slide out and perfect level each time.
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