THIS VEHICLE DOES NOT REQUIRE DEF EXHAUST FUEL ADDITIVE. Features:Passenger air bagDriver air bagDual power leather seats with lumbar, heat, and A/CPower locksPower windowsPower steeringCruise controlFog lightsAlcoa aluminum alloy wheelsRear view cameraNavigation systemEntertainment systemAuxiliary inputLeather steering wheel with heatPremium satellite stereo/AM/FM stereo/CD/MP3 playerTow hitch receiverUniversal garage door openerHeated mirrorsElectronic parking aidElectronic shift transfer caseKeyless entryLimited slip differentialPower sunroofPower sliding back glassCummins 6.7 diesel with engine brakeAutomatic transmission This truck has no flaws. All repairs were completed at my personal body shop. You will not be disappointed.