SLT CREW CAB PREMIUM PLUS PACKAGE * 6" CHROME ASSIST STEPS, 20" CHROME CLAD WHEELS, SPRAY-ON BED LINER, POWER SLIDING REAR WINDOW, HIGH PERFORMANCE LED HEADLAMPS * GMC INFOTAINMENT SYSTEM W/ 8" DIAGONAL COLOR TOUCH & NAVIGATION. BOSE AUDIO SYSTEM, HEATED STEERING WHEEL, SEATS, FRONT FULL FEATURE LEATHER APPOINTED BUCKETS & CENTER CONSOLE, FLOOR W/ USB PORTS, AND WIRELESS CHARGING, HEATED & VENTED SEATS DRIVER & FRONT PASSENGER, 8-SPEED AUTOMATIC TRANSMISSION, TRAILER BRAKE CONTROLLER, ENHANCED DRIVER ALERT PCKG: -FRONT AND REAR PARK ASSIST -LANE KEEP ASSIST -FORWARD COLLISION ALERT -SAFETY ALERT SEAT, PROTECTION PACKAGE: ALL-WEATHER FLOOR LINER, FRONT & REAR SPLASH GUARDS,