6-speed automatic transmission w/tow/haul mode
Trailer tow pkg -inc: SelectShift transmission, class IV bumper-mounted hitch receiver, 7-pin wiring harness, upgraded radiator, super engine cooling, upgraded aux trans oil cooler
6-speed automatic transmission w/tow/haul mode -inc: SelectShift feature
6-speed automatic transmission w/tow/haul mode -inc: SVT-specific off-road mode shift schedule
Transmission, 6-speed automatic, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking
Cooling, auxiliary external transmission oil cooler (Included and only available with (L83) 5.3L EcoTec3 V8 engine.)