The featured used for the Emergency Service Unit are New York Police Department, Fire Department of New York, S.W.A.T (rarely can found this vehicle) and New Jersey State Police. They made the parameters handling.dat, vehicles.ide and carcols for the unmarked ESU, and the replacement of polpatriot.wft & wtd. They carcols.dat don’t work with skins version. They have the Unmarked version which is you can change the carcols of every each of the emergency vehicles. They are complete components before and ready to travel. The plate numbers each of four are differences and can easily mark as an emergency. They can very easily to respond. 2008 Chevrolet Suburban LTZ ESU is the full size emergency service and the difference between the Chevy Suburban GMT900 is slightly smaller.