2012 GMC Sierra 2500HD Denali

StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist

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 and rear outboard seating positions with rollover sensor (Head curtain side air bags are designed to help reduce the risk of head and neck injuries to front and rear seat outboard occupants on the near side of certain side-impact collisions. 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, seat-mounted side-impact, driver and right-front passenger for thorax and pelvic protection (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.)

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. For units not equipped with Navigation systems images will appear within rearview mirror.)

Door locks, rear child security

Tire Pressure Monitor System (does not apply to spare tire)

MECHANICAL (23)

• Rear axle, 3.73 ratio
• Suspension Package, Handling/Trailering, heavy-duty includes 35mm twin tube shock absorbers and 36mm front stabilizer bar
• Pickup box, Wideside
• GVWR, 9500 lbs. (4309 kg) (Requires (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
• Cooling, external engine oil cooler heavy-duty air-to-oil, integral to driver side of radiator tank
• Cooling, auxiliary external transmission oil cooler heavy-duty air-to-oil
• Battery, heavy-duty 600 cold-cranking amps, maintenance-free with rundown protection and retained accessory power
• Alternator, 125 amps
• Trailer brake controller, integrated
• Frame, fully-boxed, hydroformed front section
• Recovery hooks, front, Black
• 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
• Skid Plate Package 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 multi-leaf springs
• Steering, power
• Brakes, 4-wheel antilock, 4-wheel disc
• Exhaust aluminized stainless-steel muffler and tailpipe
• Tools, mechanical jack and wheel wrench located in back of cab

EXTERIOR (17)

• 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
• Bumper, front body-color
• Bumper, rear body-color, step-style with pad
• Air dam, color-keyed
• 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
• Lamps, dual cargo area lamps
• Fog lamps, front, halogen
• 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

ENTERTAINMENT (2)

• Audio system feature, Bose premium speaker system with subwoofer 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.)

INTERIOR (18)

• Seat, rear 60/40 folding bench (folds up), 3-passenger, folding (includes child seat top tether anchor)
• 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
• Cruise control, electronic with set and resume speed
• Pedals, power-adjustable for accelerator and brake
• Universal Home Remote (Not included when (VYU) Snow Plow Prep Package is ordered.)
• 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