Car signs include:

Car trademark or factory logo, product label, engine model and factory number, vehicle model and factory number, vehicle identification number, etc. A car should have its own logo to indicate the car's manufacturer, model, engine power, load-bearing mass, engine and vehicle factory numbers, etc.

Their function is to facilitate sellers, users, maintenance personnel, and traffic management departments to identify the "identity" of the vehicle. According to our country's national regulations, these signs must be checked during new car registration and annual inspection.

Initial letters as logos:

English initials: Examples: "L" for Lexus, "H" for Honda, "H" for Hyundai, "A" for ACURA, Maybach "M".

Name abbreviation: Examples: Volkswagen’s “VW” and BYD.

English brand car logos: Examples: SMART, KIA, FORD, FIAT, LAND ROVER.

Symbolic objects and car logos: Examples: Maserati's Poseidon fork, Lamborghini's bull, Buick's three shields, Ferrari's horse.

Abstract graphic logos: Examples: Audi’s four rings, Mitsubishi’s three diamonds, Renault’s diamond, and Toyota’s three interlocking rings.