An apparatus and method for fast booting a computer system are provided. In one embodiment, a method comprises receiving a first digital radiography image of at least a portion of a body of a patient, receiving a second DR image of the at least a portion of a body of a patient, the first DR image being captured at a different energy level than the second DR image, and determining common control point locations for both the first and second DR images. A forward gear is maintained in engagement in case of an uphill orientation of the motor vehicle when the parking mode is chosen.