Due to its highly effective cleaning agents, Brio Automatic Transmission Cleaner perfectly cleans the entire automatic transmission system. It flushes and rinses the ATF system internally. Eliminates varnish deposits. It improves the condition of the automatic transmission system and facilitates gear changes. USAGE AREAS: It can be used with all automatic transmission fluids. INSTRUCTIONS FOR USE: Use gloves before applying. Avoid contact with eyes and skin. Drain the entire bottle of ATFC Additive into the automatic transmission system or ATF washer before changing the transmission fluid. Run the engine for 15 minutes (changing gears) for the cleaning to circulate through the system. After this process is finished, drain, flush and refill the automatic transmission fluid from the automatic transmission system following the normal procedure. Always use the recommended automatic transmission fluid when refilling. One bottle of 300ml Brio Automatic Transmission Cleaner cleans up to 8 liters of ATF system. Store the product in a cool and dry place. Protect from frost, direct sunlight and temperatures above 50°C.