Recommended Fluid
Camaro, Firebird and Saturn vehicles use Dexron III transmission fluid. Corvette uses SAE 5W-30 (GM 1052931). Metro, Firefly (Canadian) and Prizm models use GM Synthetic Manual Transmission Gear Oil (GM 12346190), or equivalent SAE 75W-90 GL4 gear oil. All other models use GM Synchromesh Transmission Fluid (GM 12345349).