Valvoline DEXRON -VI ATF (automatic transmission fluid) is formulated with premium synthetic base stocks and advanced additive technology, and meets all the stringent requirements of General Motors DEXRON -VI specification*, which is designed for the modern automatic transmissions in GM vehicles. Valvoline DEXRON -VI ATF is officially licensed with GM and can be used in new and old GM automatic transmissions. It is fully backserviceable and can be used wherever DEXRON -II and/or DEXRON -III are recommended.