Rear Drive Axle And Differential: Service: Notes

The oil used in the open rear differential is Castrol SAF-XO. The oil contains unique additives, which enhance the differentials operation. No other oil must be used in the open rear differential.

The oil used in the electronic rear differential is Castrol SAF-Carbon Mod Plus. The oil contains unique additives and friction modifiers, which enhance the differentials operation. No other oil must be used in the electronic rear differential.