This standard specifies vehicle performance requirements intended to reduce the incidence of crashes resulting from theft and accidental rollaway of motor vehicles. Purpose. The purpose of this standard is to decrease the likelihood that a vehicle is stolen@ or accidentally set in motion. Application. This standard applies to all passenger cars@ and to trucks and multipurpose passenger vehicles with a GVWR of 4@536 kilograms (10@000 pounds) or less. However@ it does not apply to walk-in van-type vehicles. Additionally@ paragraph S5.3 of this standard applies to all motor vehicles@ except trailers and motorcycles@ with a GVWR of 4@536 kilograms (10@000 pounds) or less.