System Specifications

Aisin AY6 Manual Transmission Fluid - CTS
SAE 75W-90 GL5 Gear Oil (GM Part No. U.S. 88862475, in Canada 88862476).

Tremec 6-Speed Manual Transmission Fluid - CTS-V
Manual Transmission Fluid (GM Part No. U.S. 88861800, in Canada 88861801).