Automobile signs refer to the signs of various automobile brands, which are the representatives of automobile enterprises. Automobile signs include: automobile trademark, factory logo, nameplate, engine model and factory number, and vehicle identification code. A car should have its own logo to indicate the manufacturer, model, engine power, load quality, engine and the factory number of the whole car. The function of signs is convenient for sellers, users and maintenance personnel to identify the identity of vehicles. According to national regulations, signs should be checked during new car registration and annual inspection.

Logos are divided into several categories:

1: abstract, Audi's four rings, Toyota's three rings, and so on.

2: English initials, modern H, Honda H, Maibakh M.

3: short name, BYD, vw of Volkswagen.

4: Symbolic objects, Ferrari's horse and Buick's three shields.

5: Brand English, F|AT of Fiat, Kè A of Kia, FoRD of Ford.