MG RX5 2020 Used Automatic Gasoline mileage: 35 KM The Central Hydraulic Fluid in MG cars is responsible for providing the necessary hydraulic pressure to operate certain parts of the transmission system, depending on the type of transmission used in the car. What is the function of the Central Hydraulic Fluid? - It helps in engaging and disengaging clutches: It provides the hydraulic pressure needed to operate the clutches in some types of DCT transmissions. - It helps in changing gears: It contributes to operating the control system responsible for gear shifts. - It operates parts of the hydraulic system: It helps in the operation of the hydraulic components responsible for controlling the transmission, according to the car's design.