Patent ID: 7744099

Claim:
A method of adjusting a leveled height of a vehicle that has a sprung mass supported by a suspension system on an unsprung mass, the suspension system is selectively adjustable using a control system that is operable in a standard leveling mode in which the sprung mass is leveled relative to the unsprung mass and a horizon leveling mode in which the sprung mass is leveled relative to a predetermined datum independent of the relative position of the unsprung mass, said method comprising: a) entering said horizon leveling mode; b) approximately aligning the sprung mass with said predetermined datum at a first leveled height while in said horizon leveling mode; c) receiving an operator input corresponding to one of increasing said first leveled height and decreasing said first leveled height while in said horizon leveling mode; and, d) adjusting the sprung mass from said first leveled height to a second leveled height based on said operator input while in said horizon leveling mode.