What is a Vehicle Identification Number (VIN)?

2 Answers
StJune
07/25/25 12:05am
Vehicle Identification Number (VIN) is the unique code found on the vehicle's registration certificate, consisting of seventeen letters and numbers. It serves as a distinctive identifier for the vehicle, allowing the identification of the manufacturer, model, chassis number, and other relevant details. Meaning of VIN: The VIN is a 17-character alphanumeric code, also known as the 17-digit identification code, frame number, or 17-digit number. Through its combination of characters, the VIN ensures that no two vehicles of the same model will have the same number within 30 years, making it a unique identifier for the vehicle—often referred to as the 'car's ID card.' Function of VIN: The VIN follows specific rules. Certain characters are invalid, such as O, Q, I, and 0, while the letter Z is invalid in the year position. The ninth character must be a digit (0-9) or the uppercase letter X, and the following four characters must all be digits, not letters. Additionally, the VIN can be analyzed against vehicle configuration standards. Characters 4 to 8 represent the engine and transmission model, which must match the information on the assembly label without discrepancies.
Was this review help?
3
4
Share
McAdriana
08/10/25 3:38pm
The VIN (Vehicle Identification Number) is like our car's ID card! It's printed on the lower left corner of the windshield or on the door frame, a 17-digit combination of letters and numbers. This thing is super important—last time I went for my annual inspection, they checked this number. Every car has a unique VIN, which stays with it for life from the day it's produced. When you take your car to a 4S shop for maintenance, the first thing the mechanic does is copy this number to look up the model details. If you're buying a used car, you must verify the VIN to check for accident records or tampering. I remember when my friend's car got rear-ended, the insurance claim relied entirely on the VIN to confirm the vehicle's details. It might seem insignificant at first glance, but in critical moments, it can save you a lot of trouble—so never cover it with stickers!
Was this review help?
9
1
Share
Expand All
More Forum Discussions

Where is the production base of Baojun Automobile located?

Baojun Automobile's production base is located in Liudong New District, Liuzhou City. Below are the specific details about this production base: 1. Engine Plant: Equipped with four production lines for cylinder blocks, cylinder heads, crankshafts, and assembly. Both the 1.5T turbocharged and 1.5L naturally aspirated engines are installed in this workshop. Engine components are sourced from world-class suppliers such as Honeywell, Bosch, and United Automotive Electronic Systems. 2. Assembly Workshop: Divided into six different process sections with a total of 111 specialized workstations. 3. Painting Workshop: The workshop covers an area of 110,520㎡, featuring robotic continuous painting lines for both interior and exterior surfaces, as well as UBC robotic painting lines, ensuring high-quality stability.
20
0
Share

Where is the diagnostic interface located on the Jinbei Haise?

Jinbei Haise diagnostic interface is located in the engine compartment of the car, next to the car battery. Here is some information about the diagnostic interface: 1. Function: It is used to connect external diagnostic equipment. Through this interface, you can connect to a car maintenance computer to monitor the car system and repair software faults, or connect to a special computer to modify hidden functions of the vehicle. 2. Definition: The vehicle diagnostic interface (OBD port) refers to the On-Board Diagnostic (OBD) system for emission control. It must have the function of identifying areas that may have faults and storing this information in the electronic control unit memory in the form of fault codes.
14
2
Share

Can Grease Be Used for Car Sunroof Maintenance?

Grease should not be used for car sunroof maintenance because greasy lubricants like grease can easily trap small sand particles, which may accelerate track wear. Here are some precautions for using a car sunroof: 1. Before opening the sunroof, check if there are any obstacles on the roof that might hinder its sliding. 2. Try to avoid using the sunroof on bumpy roads to prevent damage to the sunroof and sliding track components caused by vibrations. 3. Do not open the sunroof during rainy days or when washing the car to prevent rain or water droplets from causing the rubber seals and metal parts to age and rust. 4. If there is freezing outside, do not force the sunroof open, as the resistance caused by ice may damage mechanical components or even burn out the motor.
17
5
Share

How to Adjust the Instrument Panel Brightness of Skoda Karoq?

Find the settings in the central control display, select the lighting option, and make the necessary adjustments. The brightness knob is divided into 0-3 levels. Here is some information about the Skoda Karoq: 1. Dimensions: The Karoq is 4432mm long, 1841mm wide, and 1614mm high, with a wheelbase of 2688mm. The trunk capacity is 455L under normal conditions. 2. Powertrain: The Karoq is equipped with EA211 series TSI230 and TSI280 turbocharged direct injection engines, paired with a 7-speed dual-clutch transmission. The TSI280 model has a maximum torque of 250N·m/1750-3000rpm. The combined fuel consumption of the Karoq is 5.9L per 100km. 3. Features: Standard equipment includes TPMS tire pressure monitoring, intelligent fatigue driving reminder, ESP electronic stability system, cruise control, engine start-stop, and brake energy recovery, among 8 major features.
6
0
Share

After how many kilometers does a sedan need to be scrapped?

There is no usage lifespan for sedans. When the normal mileage reaches 600,000 kilometers, the state will guide the vehicle to be scrapped. Vehicle scrapping process: 1. The car owner applying for scrapping and renewal should fill out the "Motor Vehicle Change, Transfer, Modification, Suspension, and Scrapping Approval Application Form" in duplicate and affix the owner's seal. 2. Apply at the registration acceptance counter. For vehicles that have reached the scrapping age, a "Vehicle Scrapping Notice" will be issued. For vehicles that have not reached the scrapping age but are deemed to meet the scrapping standards after inspection by the motor vehicle inspection counter, a "Vehicle Scrapping Notice" will be issued. 3. The vehicle owner can choose a qualified recycling company to dismantle the vehicle with the "Notice". 4. After verifying the "Notice", the recycling company will dismantle the vehicle and take photos. The engine must be separated from the vehicle, the engine block must be broken, and the frame (chassis) must be cut. 5. The vehicle owner should submit the "Change Form", "XX Province Vehicle Renewal Technical Appraisal Form", "Scrapped Vehicle Recycling Certificate", and photos of the dismantled vehicle to the motor vehicle inspection counter for verification and signature. The license plates will be reclaimed, and the application will be submitted for approval according to regulations to complete the scrapping registration.
8
3
Share

What Are the Reasons for the Brake Pedal Being Hard to Press When Starting the Car?

Here are the reasons why the brake pedal is hard to press when starting the car: 1. The car's vacuum booster pump is leaking or malfunctioning. The force applied to the brake pedal is amplified by the brake booster pump. If it fails, the brake loses its assistance, making it difficult to press. 2. The brake pedal was pressed after the engine was turned off. This is also related to the brake booster pump. The brake booster pump continuously generates vacuum only when the engine is running. When the engine is off, it relies on the residual vacuum, which typically allows only a few presses before becoming hard to press. 3. It could also be due to a lack of necessary maintenance in the brake system, such as excessive impurities in the brake master cylinder, poor sealing, failure of the vacuum booster pump, contaminated brake fluid, or mixing different types of brake fluid causing vapor lock when heated, leakage in the brake master cylinder or wheel cylinders, or leaks in the air reservoir or pipe connections.
20
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.