IN-VEHICLE TRAILERING APP SYSTEM includes checklist trailer maintenance reminders trailer security alerts trailer mileage tow/haul reminder trailer electrical diagnostics and Trailer Tire Pressure Monitor System module, BOSE SOUND SYSTEM PREMIUM 7-SPEAKER SYSTEM with Richbass woofer, WIRELESS CHARGING, REAR AXLE 3.23 RATIO, SHIFTER ELECTRONIC TRANSMISSION RANGE SELECTOR includes steering column paddle shifters, CHEVYTEC SPRAY-ON BEDLINER BLACK (does not include spray-on liner on tailgate due to Black composite inner panel), PROTECTION PACKAGE includes (B1J) wheel house liners and (CGN) Chevytec spray-on bedliner, WHEELS 20" X 9" (50.8 CM X 22.9 CM) HIGH GLOSS BLACK PAINTED ALUMINUM, ENGINE 5.3L ECOTEC3 V8