Hello, car maintenance is the general term for car maintenance and repair. It is to find out the cause of the fault through technical means and take certain measures to eliminate the fault and restore it to a certain performance and safety standard. Automobile maintenance includes automobile overhaul and automobile minor repair. Automobile overhaul refers to the restorative repair to restore the intact technical condition of the automobile and completely (or nearly completely) restore its service life by repairing or replacing any parts (including basic parts) of the automobile. Automobile minor repair refers to the operational repair to ensure or restore the working ability of the automobile by replacing or repairing individual parts.