Differential- heavy-duty locking rearRear wheel driveCooling- external engine oil coolerCooling- auxiliary external transmission oil coolerBattery- heavy-duty 720 cold-cranking amps/80 Amp-hr- maintenance-free with rundown protection and retained accessory powerAlternator- 150 ampsFrame- fully-boxed- hydroformed front sectionSteering- Recirculating Ball with smart flow power steering systemBrakes- 4-wheel antilock- 4-wheel disc with DuraLife brake rotorsCapless Fuel Fill (Gas engine only. Not available with (ZW9) pickup box delete.)Exhaust- aluminized stainless-steel muffler and tailpipeWheels- 17"" (43.2 cm) steel includes 17"" x 7.5"" (43.2 cm x 19.1 cm) steel spare wheel. Spare not included with (ZW9) pickup box delete unless a spare tire is orderedTire carrier lock keyed cylinder lock that utilizes same key as ignition and door (Not included when (ZW9) pickup box delete or (9J4) rear bumper delete is ordered.)Bumper- front chromeCornerStep- rear bumper (Requires (E63) pickup box.)Bumper- rear chrome with bumper CornerSteps (Requires (E63) pickup box.)Grille surround- chromeHeadlamps- halogen projector-beamLamps- cargo area- cab mounted with switch on center switch bankMirrors- outside manual- BlackGlass- solar absorbing- tintedDoor handles- BlackTailgate and bed rail protection caps- topTailgate- locking- utilizes same key as ignition and door (Not available with (AQQ) Remote Keyless Entry.)XM Satellite Radio- delete6-speaker audio systemFloor covering- Graphite-colored rubberized-vinylSteering column- manual Tilt-WheelSteering wheelInstrumentation- 6-gauge cluster featuring speedometer- fuel level- engine temperature- tachometer- voltage and oil pressureDriver Information Center- 3.5-inch diagonal monochromatic display provides warning messages and basic vehicle informationWindows- power with driver express up and down and express down on all other windows (Standard on Crew Cab and Double Cab. On Regular Cab- Included and only available with (PCM) WT Convenience Package.) (Standard on Crew Cab and Double Cab. On Regular Cab- Included and only available with (PCR) WT Fleet Convenience Package.)Cruise control- steering wheel-mountedAir conditioning- single-zoneAssist handle- front passenger and driver on A-pillarsStabiliTrak- stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assistDaytime Running Lamps with automatic exterior lamp controlAirbags- Double Cab and Regular Cab: Single-stage frontal airbag for driver; Dual-stage front airbag for front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag. (With (ZW9) pickup box delete on Double Cab and Regular Cab you will get the following: Single-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes airbag deactivation switch for front outboard passenger airbag. 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. Regular Cab model does not have rear outboard seating positions.)OnStar- delete also deletes driver information center compass.Rear Vision Camera (Removed when (ZW9) pickup box delete is ordered.)Teen Driver mode a configurable feature that lets you activate customizable vehicle settings associated with a key fob- to encourage safe driving behavior. It can limit certain vehicle features- and it prevents certain safety systems from being turned off. An in-vehicle report gives you information on your teen's driving habits and helps you to continue to coach your new driverTire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)