2011 Chevrolet Silverado 1500 4WD Crew Cab 143.5" LTZ Vehicle Options

• Engine, Vortec 5.3L Variable Valve Timing V8 SFI FlexFuel with Active Fuel Management capable of running on unleaded or up to 85% ethanol (with gas - 315 hp [234.8 kW] @ 5200 rpm, 335 lb-ft of torque [452.2 N-m] @ 4000 rpm, with E85 ethanol - 326 hp [243.1 kW] @ 5300 rpm, 348 lb-ft of torque [469.8 N-m] @ 4400 rpm), aluminum block (Requires CK10543 or CK10753 models.)
• Rear axle, 3.08 ratio (Refer to Engine/Axle chart for availability.)
• Suspension Package, Handling/Trailering, heavy-duty includes 46 mm piston monotube shocks and 36mm front stabilizer bar
• GVWR, 7000 lbs. (3175 kg) (Requires CC10753 models and (L9H) Vortec 6.2L V8 SFI engine and (NHT) Max Trailering Pack or CK10753, CK10953, or CK10543 models. Standard on CK10753, CK10953, or CK10543 models.)
• Cooling, external engine oil cooler heavy-duty air-to-oil, integral to driver side of radiator tank
• Trailering Package, heavy-duty includes trailering hitch platform and 2-inch receiver, 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), (K5L) heavy-duty cooling package, (KC4) external engine oil cooler and (KNP) external transmission oil cooler
• Heavy Duty Cooling Package, heavy-duty includes (KC4) external engine oil cooler, (KNP) auxiliary external transmission oil cooler, electric fan and heavy-duty radiator
• Cooling, auxiliary external transmission oil cooler, heavy-duty air-to-oil
• Transfer case, electronic Autotrac with rotary dial controls (Requires 4WD models.)
• Four wheel drive
• Battery, heavy-duty 600 cold-cranking amps, maintenance-free with rundown protection and retained accessory power
• Alternator, 145 amps
• Frame, fully-boxed, hydroformed front section
• Suspension, front independent, coil over shock
• Suspension, rear 2-stage multi-leaf springs, semi-elliptic
• Steering, power, rack-and-pinion
• Exhaust, aluminized stainless-steel muffler and tailpipe
• Wheel, 17" (43.2 cm) steel spare (spare wheel will not cosmetically match the other 4 wheels)
• Spare tire lock keyed cylinder lock that utilizes same key as ignition and door
• Tire carrier, outside spare, winch-type mounted under frame at rear
• Bumper, front body-colored (Includes body-color bumper end caps.)
• Bumper, rear chrome, step-style with pad
• Air dam, Black
• Moldings, bodyside, body-colored (Moldings are deleted if any SEO paint is ordered.)
• Grille, chrome surround (Not included when (VAT) Chrome grille, LPO or (VAS) Body-color grille, LPO are ordered.)
• Lamps, dual cargo area lamps
• 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.)
• Wipers, front intermittent wet-arm with pulse washers
• Door handles, color-keyed
• Pickup box, Fleetside
• Audio system feature, Bose premium speaker system with sub-woofer in center console
• Steering wheel controls, mounted audio controls
• Bluetooth for phone personal cell phone connectivity to vehicle audio system
• Air conditioning, dual-zone automatic climate control with individual climate settings for driver and right-front passenger
• 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
• Steering wheel, leather-wrapped with theft-deterrent locking feature
• Instrumentation, analog with speedometer, odometer, fuel level, engine temperature, and tachometer (Includes voltmeter and oil pressure indicators.)
• 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, 1SF and 1LZ, includes 8-point compass and outside temperature.)
• Warning tones headlamp on, key-in-ignition, driver and passenger buckle up reminder and turn signal on
• Windows, power with driver Express-Down (Includes front passenger Express-down.)
• Cruise control, electronic with set and resume speed, located on steering wheel
• Defogger, rear-window electric (Not available with (A48) power sliding rear window.)
• Cup holders, front (Also includes rear cupholders on Extended and Crew Cab models.)
• Mirror, inside rearview auto-dimming
• Visors, driver and front passenger, sliding with clip and illuminated vanity mirror on driver and passenger-side, Opal Gray-colored
• Assist handle, front passenger (Also includes rear assist handles in the headliner on Extended and Crew Cab Models.)
• Coat hooks, rear driver and passenger side
• Lighting, interior with dome and reading lights, illuminated entry feature and backlit instrument panel switches
• StabiliTrak, stability control system with Proactive Roll Avoidance and traction control
• Air bags, frontal, driver and right-front passenger with Passenger Sensing System (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.)
• Air bags, head curtain side-impact, front 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 (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.)
• Door locks, rear child security (Crew Cab models only.)