Full Description: Audio system feature, Bose premium speaker system with sub-woofer in center console|Bluetooth for phone personal cell phone connectivity to vehicle audio system|Audio system, AM/FM stereo with CD player and MP3 playback USB port, auxiliary input jack, seek-and-scan, digital clock, auto-tone control, Radio Data System (RDS), automatic volume, TheftLock and 36 cross-band presets|Audio system feature, USB port|Wheels, 18 (45.7 cm) forged polished aluminum (Includes 18 x 8 (45.7 cm x 20.3 cm) steel spare wheel. Spare not included with (ZW9) pickup box delete unless a spare tire is ordered. Upgradeable to (PYS) 20 (50.8 cm) forged polished aluminum wheels.)|Door handles, color-keyed|Wipers, front intermittent wet-arm with pulse washers|Glass, Solar-Ray deep-tinted (all windows except light-tinted glass on windshield and driver-and front passenger-side glass) (With Regular Cab Models, includes rear window. With Extended Cab Models, includes rear and rear quarter windows. With Crew Cab Models or (C49) rear-window defogger, includes light-tinted rear window.)|Moldings, bodyside, body-colored (Moldings are deleted if any SEO paint is ordered.)|Lamps, dual cargo area lamps|Bumper, rear chrome, step-style with pad (Not available with (ZW9) pickup box delete.)|Fog lamps, front, halogen|Bumper, front chrome includes chrome bumper end caps|Grille, chrome surround|Pickup box, Fleetside|Spare tire lock keyed cylinder lock that utilizes same key as ignition and door (Not available with (ZW9) pickup box delete or (VF7) rear bumper delete.)|Tire carrier, outside spare, winch-type mounted under frame at rear (Orders with (ZW9) Pickup box delete will not include a Spare Tire Carrier unless a spare tire is ordered)|Tires, LT265/70R18E all-season, blackwall (Upgradeable to (QFC) LT265/75R20E all-terrain tires when (PYS) 20 (50.8 cm) forged polished aluminum wheels are ordered or (QGM) LT265/70R18E all-terrain tires when (PYV) 18 (45.7 cm) forged polished aluminum wheels are ordered.)|Headlamps, dual halogen composite with automatic exterior lamp control and flash-to-pass feature|Mirrors, outside heated power-adjustable, power-folding and driver-side auto-dimming with integrated turn signal indicators (Upgradeable to (DPN) outside vertical camper mirrors. Mirrors are body-colored and include curb-tilt feature.)|Air conditioning, dual-zone automatic climate control with individual climate settings for driver and right-front passenger|Steering wheel, leather-wrapped with theft-deterrent locking feature|Cup holders, front (Also includes rear cupholders on Extended and Crew Cab models)|Instrumentation, analog with speedometer, fuel level, engine temperature, tachometer, voltmeter and oil pressure indicators|Seat adjuster, front passenger 10-way power|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) (Driver Information Center controls are operated through the trip odometer button unless (UK3) steering wheel mounted audio controls is ordered. On 1LT and 1LZ, includes 8-point compass and outside temperature.)|Visors, driver and front passenger, sliding with clip and illuminated vanity mirror on driver and passenger-side, Opal Gray-colored|Steering column, Tilt-Wheel, adjustable with brake/transmission shift interlock|Defogger, rear-window electric (Not available with (A48) power sliding rear window.)|Assist handle, front passenger (Also includes rear assist handles in the headliner on Extended and Crew Cab models)|Mirror, inside rearview auto-dimming|Seats, front bucket includes 10-way power driver and front passenger seat adjusters including 2-way power lumbar control, heated seat cushions and seatbacks, 2-position driver memory, adjustable outboard head restraints, floor console and storage pockets|Console, floor with storage compartment 2 auxiliary power outlets and dual cup holders|Lighting, interior with dome and reading lights, illuminated entry feature and backlit instrument panel switches|Cruise control, electronic with set and resume speed, located on steering wheel|Remote vehicle starter system includes Remote Keyless Entry with 2 transmitters, panic button and content theft alarm (Remote Keyless Entry does not lock/unlock tailgate.)|Seats, Leather-appointed front seats|Floor covering, color-keyed carpeting with rubberized vinyl floor mats (Extended and Crew Cab models also include rear floor mats)|Coat hooks, rear driver and passenger side|Warning tones headlamp on, key-in-ignition, driver and passenger buckle up reminder and turn signal on|Steering wheel controls, mounted audio controls|Seat, rear 60/40 folding bench (folds up), 3-passenger, folding (includes child seat top tether anchor)|Door locks, power includes Remote Keyless Entry|Windows, power with driver Express-Down (Includes front passenger Express-down.)|Seat adjuster, driver 10-way power|Power outlets 2 auxiliary instrument panel-mounted with covers, 12-volt|Cooling, auxiliary external transmission oil cooler heavy-duty air-to-oil|Engine, Vortec 6.0L Variable Valve Timing V8 SFI (360 hp [268.4 kW] @ 5400 rpm, 380 lb-ft of torque [513.0 N-m] @ 4200 rpm) with (E63) fleetside pickup box; (322 hp [240.1 kW] @ 4400 rpm, 380 lb-ft of torque [513.0 N-m] @ 4200 rpm) with (ZW9) pickup box delete|Trailer brake controller, integrated|Frame, hydroformed front section|Steering, power, recirculating ball|Differential, heavy-duty automatic locking rear|Air cleaner, high-capacity|Suspension Package, Handling/Trailering, heavy-duty includes 35mm twin tube shock absorbers and 36 front stabilizer bar|Cooling, external engine oil cooler heavy-duty air-to-oil, integral to driver side of radiator tank|Alternator, 125 amps|Trailering equipment, heavy-duty includes trailering hitch platform and 2.5- inch receiver with 2 adapter, 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, wiring harness for after-market trailer brake controller (located in the instrument panel harness) and (JL1) integrated trailer brake controller (Will be deleted if (ZW9) pickup box delete is ordered.)|Suspension, front independent, torsion bar with increased front GAWR|Transmission, 6-speed automatic, heavy-duty, electronically controlled with overdrive and tow/haul mode (Requires (L96) Vortec 6.0L V8 SFI engine.)|Exhaust aluminized stainless-steel muffler and tailpipe|Recovery hooks, front, frame-mounted|Brakes, 4-wheel antilock, 4-wheel disc|Suspension, rear 4+1 multi-leaf springs|Transfer case, electronic shift with rotary dial controls (Requires 4WD models)|Battery, heavy-duty 600 cold-cranking amps, maintenance-free with rundown protection and retained accessory power|Four wheel drive|Rear axle, 3.73 ratio|OnStar, 6 months of Directions and Connections plan includes Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance including Remote Ignition Block, Remote Door Unlock (requires power locks), Turn-by-Turn Navigation with Destination Download (requires navigation radio) and OnStar eNav (where available), OnStar Vehicle Diagnostics, Roadside Assistance, Remote Horn and Lights, and Hands Free Calling. (Also includes Stolen Vehicle Slowdown when (LML) or (LGH) Duramax 6.6L Turbo Diesel V8 engine is not ordered. Not available with a ship-to of Puerto Rico or the Virgin Islands. Visit onstar.com for details and system limitations.)|Automatic Crash Response|Tire Pressure Monitoring System (does not apply to spare tire)|OnStar Turn-by-Turn Navigation|StabiliTrak, stability control system includes electronic trailer sway control, intelligent brake assist and hill start assist|Daytime Running Lamps with automatic exterior lamp control|Stolen Vehicle Assistance|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 and the Passenger Sensing System, children are safer when properly secured in a rear seat in the appropriate infant, child or booster seat. Never place a rear-facing infant restraint in the front seat of any vehicle equipped with an active frontal air bag. See the Owner's Manual and child safety seat instructions for more safety information.)|Door locks, rear child security (Crew Cab models only.)