Wheels, 19.5" x 6.75", steel, Black painted, 8-holes, hub piloted
Seats, front 40/20/40 split-bench, 3-passenger driver and front passenger recline with outboard head restraints and center fold-down armrest with storage. Vinyl has fixed lumbar and cloth has manually adjustable driver lumbar.
Audio system, 4.2" diagonal color display AM/FM stereo with USB port and auxiliary jack (Requires (AE7) front 40/20/40 split-bench seat. Not available with (UE1) OnStar or (U2K) SiriusXM Radio.)
4500 HD Series (Included and only available with (C5B) 15,000 lbs. GVWR, (C7P) 16,000 lbs. GVWR or (C7R) 16,500 lbs. GVWR.)