DURAMAX PLUS PACKAGE
FRONT AND REAR PARK ASSIST, ULTRASONIC
MIRRORS, CHROME, OUTSIDE HEATED POWER-ADJUSTABLE VERTICAL TRAILERING, MEMORY-EQUIPPED, UPPER GLASS, POWER-FOLDING AND MANUAL EXTENDING;
AUDIO SYSTEM, 8'' DIAGONAL COLOR TOUCH SCREEN NAVIGATION WITH GMC INFOTAINMENT SYSTEM, AM/FM/SIRIUSXM, HD RADIO