6-speed super electronically-controlled automatic transmission -inc: OD, sequential shift mode
Towing pkg -inc: heavy duty hitch receiver, 4 + 7-pin connectors, trailer brake prewire, supplemental transmission cooler, tow/haul mode, transmission fluid temp gauge
Transmission, 6-speed automatic -inc: electronically controlled w/OD
Steering wheel, leather wrapped -inc: brake/transmission shift interlock
Tow/haul, cooler, auxiliary -inc: HD air-to-oil aux transmission oil cooler