Packages MAX TRAILERING PACKAGE - NHT 9.76" Rear Axle 8-Speed Transmission With 3.42 Or 6- Speed Transmission With 3.73 (JL1) Trailer Brake Controller Enhanced Cooling Radiator Revised Shock Tuning For Increased Control Heavier Duty Rear Springs And Increased RGAWR SLT PREFERRED EQUIPMENT GROUP - 4SA SLT PREMIUM PACKAGE - PDB (UQA) Bose Premium Audio System And (RD5) 20" X 9" Polished Aluminum Wheels With Crew Cab Model Includes (BVQ) 6" Rectangular Chrome Tubular Assist Steps. With Double Cab Model Includes (VXH) 6" Rectangular Chrome Tubular Assist Steps.) Equipment ACTIVE NOISE CANCELLATION ASSIST STEPS, CHROMED TUBULAR, 6" RECTANGULAR AUDIO SYSTEM, 8" DIAGONAL COLOR TOUCH SCREEN NAVIGATION WITH INTELLILINK, AM/FM/SIRIUSXM, HD RADIO BOSE SOUND WITH 6 SPEAKER SYSTEM COCOA/DUNE, LEATHER-APPOINTED FRONT SEAT TRIM CONSOLE, FLOOR MOUNTED CUSTOMER DIALOGUE NETWORK EMISSIONS, FEDERAL REQUIREMENTS GVWR, 7600 LBS. (3447 KG) LICENSE PLATE KIT, FRONT MIRRORS, OUTSIDE HEATED POWER-ADJUSTABLE VERTICAL TRAILERING, MEMORY-EQUIPPED, UPPER GLASS, POWER-FOLDING AND MANUAL EXTENDING, CHROME; REAR AXLE, 3.42 RATIO SEATS, FRONT FULL-FEATURE LEATHER-APPOINTED BUCKET TIRES, P275/55R20 ALL-SEASON, BLACKWALL TRAILER BRAKE CONTROLLER, INTEGRATED WHEELS, 20" X 9" (50.8 CM X 22.9 CM) POLISHED ALUMINUM WIRELESS CHARGING