YOKKI ATF WS is a special low-viscosity transmission oil formulated for automatic transmissions of TOYOTA autos produced after 2005* where the ATF WS-type transmission fluids are required (it is recommended to use Yokki ATF T-IV oil in Toyota autos produced before 2005)**. The product meets TOYOTA and AISIN WARNER standards and requirements for automatic transmissions of the ATF WS type. It is not allowed to mix it with Yokki T-IV oil. It can be used in the models before 2005 only in case of the complete oil change. SCION ATF WS; AISIN WARNER NWS-9638/9638 T5/WS-3324; VW G 055 540 A2