Lane Keeping Assist,Quick Order Package 21Z Big Horn -Inc: Engine: 3.0L I6 Hurricane So Twin Turbo Ess, Transmission: 8-Speed Automatic (8Hp75) *Upon Selection Of This Pkg, The Cost Of Powertrain Components Will Be Added*,Keyless Start,Engine: 3.0L I6 Hurricane So Twin Turbo Ess -Inc: Aux Battery, 700 Amp Maintenance Free Battery, Active Noise Control System, Dual Rear Exhaust W/Bright Tips, Start-Stop Dual Battery System, 230 Amp Alternator