Full Description: Audio system feature, 4-speaker system on Regular Cab models|Audio system, 4.2 diagonal color display, AM/FM stereo with USB port and auxiliary jack with USB ports and auxiliary jack (Dynamic guidelines not available on IO3.) (Not available with (AZ3) 40/20/40 split-bench seat. Dynamic guidelines not available on IO3.)|Tire, spare P255/70R17 all-season, blackwall (Included and only available with (RBZ) P255/70R17 all-season, blackwall tires.)|Tires, P255/70R17 all-season, blackwall|Bumpers, rear, Black|Door handles, Black|Wheel, full-size spare, 17 (43.2 cm) steel|Bumpers, front, Black|Grille surround, chrome|Tire carrier lock, keyed cylinder lock that utilizes same key as ignition and door|Mirrors, outside manual, Black|Headlamps, high intensity discharge (HID) projector-beam with LED signature DRL|Tailgate and bed rail protection cap, top|Tailgate, locking utilizes same key as ignition and door (Not available with (AQQ) Remote Keyless Entry.) (Not available with (AQQ) Remote Keyless Entry. Not available with (ZW9) pickup box delete.)|Wheels, 17 x 8 (43.2 cm x 20.3 cm) painted steel|CornerStep, rear bumper|Lamps, cargo area, cab mounted with switch on center switch bank|Glass, solar absorbing, tinted|Assist handle, front passenger on A-pillar|Cruise control, electronic with set and resume speed, steering wheel-mounted|Steering column, Tilt-Wheel, manual with theft-deterrent locking feature|Air conditioning, single-zone|Door locks, power|Floor covering, Graphite-colored rubberized-vinyl, no floor mats included|Instrumentation, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure|Driver Information Center, 3.5-inch diagonal monochromatic display provides warning messages and basic vehicle information|Seats, front 40/20/40 split-bench, 3-passenger, driver and front passenger manual recline with outboard head restraints and center fold-down armrest with storage. Vinyl has fixed lumbar and cloth has manual adjustable driver lumbar.|Alternator, 150 amps|Transmission, 6-speed automatic, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking|Rear wheel drive|Frame, fully-boxed, hydroformed front section|Pickup box|Exhaust, aluminized stainless-steel muffler and tailpipe|Suspension Package, Handling/Trailering|Battery, heavy-duty 730 cold-cranking amps/70 Amp-hr, maintenance-free with rundown protection and retained accessory power|Engine, 4.3L FlexFuel EcoTec3 V6 with Active Fuel Management, Direct Injection and Variable Valve Timing includes aluminum block construction with (FHS) E85 FlexFuel capability, capable of running on unleaded or up to 85% ethanol (285 hp [212 kW] @ 5300 rpm, 305 lb-ft of torque [413 Nm] @ 3900 rpm) (Includes (FHS) E85 FlexFuel capability. Not available on C*15743 models.)|Steering, Electric Power Steering (EPS) assist, rack-and-pinion|Rear axle, 3.23 ratio (Standard and only available on (LV3) 4.3L EcoTec3 V6 engine with 2WD models.)|GVWR, 6700 lbs. (3039 kg) (Requires Regular Cab models.)|Brakes, 4-wheel disc with DURALIFE rotors, 4-wheel antilock|Cooling, external engine oil cooler|Daytime Running Lamps with automatic exterior lamp control|Tire Pressure Monitoring System (does not apply to spare tire)|Airbags, Dual-stage frontal airbags for driver and front passenger, seat-mounted side-impact airbags for driver and front outboard passenger, and head-curtain side-impact airbags for front and rear outboard seating positions; includes Passenger Sensing System (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.)|OnStar, delete also deletes driver information center compass|StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist