An adjustable height implement system for an agricultural vehicle. A harvesting implement has an adjustable height. A control system is operably connected in a first operating mode to the harvesting implement to adjust the height of the harvesting implement with respect to the ground. The control system is operably connected in a second operating mode to the harvesting implement to maintain at least a predetermined distance between the harvesting implement and the ground. The second operating mode is engaged in response to the agricultural vehicle satisfying at least one predetermined vehicle operating parameter.
