; (ii) longitudinal vehicle motion control via acceleration and deceleration; (iii) monitoring the driving environment via object and event detection, recognition, classification, and response preparation; (iv) object and event response execution; (v) maneuver planning; and (vi) enhancing conspicuity via lighting, signaling, and gesturing; (C) the term highly automated vehicle — (i) means a motor vehicle equipped with an automated driving system; and (ii) does not include a commercial motor vehicle (as defined in section 31101 of title 49, United States Code); (D) the term vehicle that performs partial driving automation does not include a commercial motor vehicle (as defined in section 31101 of title 49, United States Code)