2012 GMC SIERRA K3500 DENALI

Wheels, 18" (45.7 cm) forged polished aluminum (Standard on T*30743 models only.) Pickup box, Wideside Wheel, 18" x 8" (43.2 cm x 19.1 cm) full-size, steel spare (Standard on T*30743 models only.) Tire carrier, lockable outside spare, winch-type mounted under frame at rear Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door LPO, Rear wheelhouse liner (Not included on T*30943 models) Air dam, color-keyed Bumper, front body-color Bumper, rear body-color, step-style with pad Moldings, body-color bodyside with chrome insert Grille, chrome surround with chrome center, Denali-exclusive Headlamps, dual halogen composite with automatic exterior lamp control and flash-to-pass feature Fog lamps, front, halogen Lamps, Smoked Amber roof marker (Standard with (C7J) 13,000 lbs. GVWR (dual rear wheel) only. With single rear wheel GVWR not available with (YF5) California state emissions requirements.) Lamps, dual cargo area lamps Mirrors, outside heated power-adjustable vertical camper manual-folding and extension, Black integrated turn signal indicators consisting of 50 square inch flat mirror surface positioned over a 20 square inch convex mirror surface with a common head and lower convex spotter glass (convex glass is not heated or power adjustable) Glass, Solar-Ray deep-tinted (all windows except light-tinted glass on windshield and driver-and front passenger-side glass) Wipers, front intermittent wet-arm with pulse washers Door handles, chrome Tailgate protection top of tailgate protection cap Tailgate, locking Tailgate, EZ-Lift

Audio system feature, Bose premium speaker system with sub-woofer in center console Bluetooth for phone personal cell phone connectivity to vehicle audio system (Requires OnStar hardware (UE1), but subscription to OnStar services not required for operation.)

StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist (Standard on T*30743 models only. Not available on T*30943 dually models.) Daytime Running Lamps with automatic exterior lamp control Air bags, frontal, driver and right-front passenger (Always use safety belts and the correct child restraints for your child's age and size, even in vehicles equipped with air bags. Children are safer when properly secured in a rear seat in the appropriate infant, child or booster seat. See the Owner's Manual and child safety seat instructions for more safety information.) Air bags, head curtain side-impact, front outboard seating positions with rollover sensor (Available on single rear wheel models only. Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.) Air bags, seat-mounted side-impact, driver and right-front passenger for thorax and pelvic protection (Single rear wheel models only. Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.) Rear Parking Assist, Ultrasonic with audible warning Rear Vision Camera (Note: images appear on Navigation screen for units equipped with (UYS) AM/FM stereo with MP3 compatible CD/DVD player and navigation). Door locks, rear child security

Seat, rear 60/40 folding bench (folds up), 3-passenger, folding (includes child seat top tether anchor) Steering wheel, heated, leather-wrapped and color-keyed with theft-deterrent locking feature Steering column, Tilt-Wheel, adjustable with brake/transmission shift interlock, color-keyed Steering wheel controls, mounted audio and Driver Information Center controls which provides access to enhanced Driver Information Center features and information Instrumentation, analog with speedometer, odometer with trip odometer, fuel level, voltmeter, engine temperature, oil pressure and tachometer Driver Information Center with odometer, trip odometer and message center (monitors numerous systems depending on vehicle equipment level including low fuel, turn signal "on", transmission temperature and oil change notification) Warning tones headlamp on, key-in-ignition, driver and passenger buckle up reminder and turn signal on Windows, power with driver and front passenger Express-Down Pedals, power-adjustable for accelerator and brake Cruise control, electronic with set and resume speed Universal Home Remote Air conditioning, dual-zone automatic climate control with individual climate settings for driver and right-front passenger Defogger, rear-window electric (Not available with (A48) power sliding rear window.) Cup holders, in console and rear Headliner, Opal Gray-colored cloth with matching retainer moldings Visors, driver and front passenger illuminated vanity mirrors padded with cloth trim, Opal-Gray-colored Assist handles, front passenger and rear outboard Lighting, interior with dome and reading lights, illuminated entry feature and blue backlit instrument panel switches Coat hooks, driver- and passenger-side rear

Rear axle, 3.73 ratio Suspension Package, Handling/Trailering, heavy-duty includes 35mm monotube shocks and 34mm front stabilizer bar GVWR, 10,800 lbs. (4899 kg) with single rear wheels (Requires TK30743 with (L96) Vortec 6.0L V8 SFI engine.) Air cleaner, high-capacity Transfer case, electronic shift with rotary dial controls (Requires 4WD models) Differential, heavy-duty automatic locking rear Four wheel drive Trailering equipment, heavy-duty includes trailering hitch platform, 7- wire harness (harness includes wires for: park lamps, backup lamps, right turn, left turn, electric brake lead, battery and ground) with independent fused trailering circuits mated to a 7-way sealed connector and instrument panel jumper wiring harness for electric trailer brake controller Cooling, auxiliary external transmission oil cooler heavy-duty air-to-oil Cooling, external engine oil cooler heavy-duty air-to-oil, integral to driver side of radiator tank Battery, heavy-duty 600 cold-cranking amps, maintenance-free with rundown protection and retained accessory power Alternator, 125 amps Trailer brake controller, integrated Recovery hooks, front, Black Frame, fully-boxed, hydroformed front section Skid Plate Package, frame-mounted shields includes front underbody shield starting behind front bumper and running to first cross-member, protecting front underbody, oil pan, differential case and transfer case, frame-mounted shields Suspension, front independent, torsion bar Suspension, rear 4+1+2 multi-leaf springs for single rear wheel and 3+1+2 multi-leaf springs for dual rear wheel Steering, power Brakes, 4-wheel antilock, 4-wheel disc (Standard on T*30743 models only.) Exhaust, aluminized stainless-steel muffler and tailpipe