Automatic air level control
Brakes, 4-wheel antilock, 4-wheel disc
Differential, heavy-duty locking rear
Transfer case, active, 2-speed electronic Autotrac with rotary controls, includes neutral position for dinghy towing. (Requires CK10936 models. Included with (K5L) heavy-duty trailering package.)
Battery, heavy-duty 600 cold-cranking amps, maintenance-free with rundown protection and retained accessory power
Trailering equipment includes trailering hitch platform, 7-wire harness with independent fused trailering circuits mated to a 7-way sealed connector and (VR4) 2" trailering receiver
Suspension, front coil-over-shock with stabilizer bar
Steering, power
Engine, Vortec 5.3L V8 SFI FlexFuel with Active Fuel Management, capable of running on unleaded or up to 85% ethanol (with gas - 320 hp [239 kW] @ 5400 rpm, 335 lb-ft of torque [454 N-m] @ 4000 rpm, with E85 ethanol - 326 hp [243 kW] @ 5300 rpm, 348 lb-ft of torque [472 N-m] @ 4400 rpm), aluminum block (Requires 4WD models.)
Alternator, 145 amps
PACKAGE
Suspension Package, Autoride bi-state variable shock dampening and rear air-assisted load-leveling, includes (G69) automatic air level control
SAFETY
OnStar, 6 months of Directions and Connections plan includes Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance including Stolen Vehicle Slowdown and Remote Ignition Block, Remote Door Unlock, 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. (Visit onstar.com for details and system limitations.)
StabiliTrak, stability control system with traction control
Stolen Vehicle Assistance (Deleted when (UE0) OnStar delete is ordered.)
LATCH system, (Lower Anchors and Top tethers for CHildren), for child safety seats
Rearview camera system
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.)
OnStar Turn-by-Turn Navigation (Deleted when (UE0) OnStar delete is ordered.)
Rear Parking Assist, Ultrasonic with audible warning
Air bags, dual-stage frontal, driver and right-front passenger with Passenger Sensing System (right-front passenger air bag status on overhead console) (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.)
Automatic Crash Response (Deleted when (UE0) OnStar delete is ordered.)
Daytime Running Lamps with automatic exterior lamp control
Tire Pressure Monitoring System (does not apply to spare tire)