STEER PRO CHF is intended for central hydraulic systems of passenger cars, power steering systems, hydropneumatic suspension systems with level control, shock absorbers, traction control systems (ASR), and electronic stability control systems (ESC), as well as start-stop systems, air conditioning pumps, central locking systems, and electro-hydraulic convertible roof actuators. Fully compatible with original hydraulic fluids. STEER PRO is not intended for use in automatic transmissions. It can be used for all vehicles requiring 11S.