PSA is an automotive company that manufactures vehicles under the brands Peugeot, Citroën, DS Automobiles, and Opel/Vauxhall. PSA has been a pioneer in innovative technologies such as low-consumption diesel engines and hybrid and electric propulsion systems. As a vehicle manufacturer, PSA has specific oil and lubricant recommendations for each of their models, in order to ensure their proper functioning and prolong their useful life.