What kind of oil do you need to change for the second maintenance of the car?

Oil and machine filter are necessary, and air and air conditioning filter elements can also be replaced.

Other items such as engine maintenance, engine cleaning, fuel additives, etc. No need to do it. During the second guarantee period, the 4S shop will take the initiative to help you check the coolant, brake fluid, tire pressure and chassis, all of which are free.

Data expansion: oil change

Be sure to choose the appropriate "engine oil" according to the brand and model of the vehicle, and also determine the model of "engine oil" according to the regional environment and weather factors (choose engine oil with thinner viscosity in areas with cold weather all the year round, or choose engine oil with thicker viscosity). Generally, the 4S shop will replace it according to the "engine oil" provided by the vehicle manufacturer, but the price is a bit expensive.

Baidu Encyclopedia: Engine Oil