Is Shell Helix Yellow a synthetic oil?

[LaDante]

Shell Helix Yellow is not a synthetic oil. It is named Shell Helix Yellow due to its yellow packaging and belongs to the category of mineral oils. The functions of engine oil are: 1. To reduce friction and high temperatures; 2. To cool and lower temperatures; 3. To clean and remove contaminants; 4. To dampen vibrations and cushion impacts; 5. To prevent rust and corrosion. The method for changing engine oil is: 1. Use a jack to lift the vehicle, locate the drain plug and loosen it to drain the oil; 2. After removing the oil filter, place a container beneath it to collect the old oil; 3. Install a new oil filter and add new oil. Engine oil consists of two main components: base oil and additives, which are categorized as: 1. Base oil: The primary component of lubricating oil, determining its fundamental properties; 2. Additives: To compensate for and improve the shortcomings of base oil performance, imparting certain new characteristics.