Classes of viscosity and range of use of oil

As the range of uses of neighboring SAE grades overlap, you can not pay attention to short-term temperature fluctuations. Allowed to mix oils of different viscosity grades, if you want to top-up the oil, and the ambient temperature does not correspond to the class of viscosity of oil poured into the engine.

At temperatures below -20 ?� C for a long time recommended to fill oil SAE 5W-20.

Motor oils class CD, which the manufacturer designates as oil for diesel engines, are not suitable for gasoline engines. There oil application is possible in the two types of engines, in this case, as the oil indicated two labels, such as SG / CD.

You can not enter into the oil further additives party, regardless of their type and purpose.