Automatic leveling jacks motorhome- how to calibrate

It would be helpful to ask of a forum that has members for your pecific coach however. Normally there is a " hockey puck " devise screwed to the ceiling of the basement or in my case it's under a dash panel . Mine has 3 screws on springs that slow you to adjust level. Level the coach then adjust the sensor to have the control panel lights all indicate level. Finding the level sensor is the challenge