PRODUCT FEATURES: adopting professional formula, this product uses the refined oil as solvent which can get rid of various gum deposit,scale,carbon sediment and other deposits in the engines and oil passages effectively.thus it would provide good lubrication,reduce the frication,restore the elasticity of sealing gaskets and grommets,improve the sealing performance,reduce oil consumption and the wear of engine,and extend the life expectancy of the engine oil and engine.during usage,this product would not do harm to the cylinders and pistons as well as catalytic converters:also it would not block the oil pipes and oil pumps and would guarantee the normal operation of the components in the engine  
USAGE: 1. Start the vehicle and wait until the engine goes to normal temperature;then turn off the engine and add this product into the crankcase 2.run the engine at idle speed for 5-10minutes to drain the previous engine oil 3.replace the filter and add the new engine oil 4.it is recommended to usd this product for every 15km
PRECAUTION
1 Before using check the dipstick, if the oil level is low,add proper amount of engine oil 2.check carefully about the oil filter insert to avoid blocking caused by the dirt 3.store it in dry and cool place with temperature below 45ºc