The Goodyear motor cleaner (Engine Flash) 300 ml is specifically formulated to clean the dirt, oils and residues accumulated in the vehicle motor. The following description gives information about the use and benefits of the product: Product Description: Cleans the dirt, oils and sedors accumulated in the engine. It improves the performance of the motion and provides fuel savings. Prevents corrosion. When the motor is cold, open the engine oil lid and pour the product into the oil crankcase.2. Wait 5-10 minutes while the engine is running. Then stop the engine and replace the oil. New engine oil and oil filter wear. Prevents corrosion on surfaces. However, you should read and apply the instructions for use before using the product. It allows quick and effective dissolution of pollution such as varnish, sludge and sediment. It prevents the pollution of the new oil due to the remaining residues/pollution. It neutralizes acids. Provides extra protection during the process. Reduces the formation of deposit in the motor. It relieves the sound by reducing deposit formation in hydraulic valves. The use of the product: Add to dirty oil before the oil change. The motor is operated for 10 minutes during the idle speed. The oil is changed with the oil filter.