Why does the engine fault light come on before starting the car?

How are 9-seater vehicles charged on highways?

9-seater vehicles are charged as Class 1 vehicles on highways. According to previous national regulations, passenger vehicles with 9 seats or fewer have been classified as Class 1 vehicles, which directly reduces the highway toll by half. For example, if the highway toll for a Class 2 vehicle is 1 yuan per kilometer, then the toll for a Class 1 vehicle would be 0.5 yuan per kilometer. The classification boundary between Class 1 and Class 2 trucks has been adjusted to vehicles with a length of less than 6 meters and a maximum allowable total weight of 4.5 tons. This means that some trucks previously classified as Class 2 will now be classified as Class 1, resulting in lower highway tolls. All types of trucks will be classified based on the total number of axles, vehicle length, and maximum allowable total weight.

8

1

Share

What are the dimensions and specifications of the Touareg?

Touareg dimensions and specifications are: The body length is 5039mm, width 1989mm, height 1773mm, with a wheelbase of 2980mm. It is equipped with a low-power version 2.0L turbocharged engine, a high-power version 2.0L turbocharged engine, and a 2.5L V6 turbocharged engine, paired with a 7-speed dual-clutch transmission, delivering a maximum torque of 320 Nm. The Touareg is a new mid-to-large SUV under SAIC Volkswagen. In terms of exterior design, the new model features a dual-slat chrome horizontal grille that extends directly into the headlight assembly. It comes equipped with adaptive cruise control, lane keeping assist, blind spot monitoring, collision warning, heated steering wheel, front seat heating, and a panoramic sunroof.

3

5

Share

What are the consequences of using 92-octane gasoline in a Golf?

According to the official vehicle manual recommendation, the Golf should use 95-octane gasoline. Occasionally using 92-octane gasoline is acceptable as long as you switch back to the correct octane rating afterward. However, prolonged use of the wrong gasoline octane can have the following effects: For vehicles recommended to use lower octane gasoline, accidentally using higher octane gasoline will not cause damage. However, the increased octane rating alters the fuel's ignition point, leading to delayed combustion in the engine. This results in reduced engine power output and thermal efficiency, with the practical experience being noticeably poorer performance. For vehicles recommended to use higher octane gasoline, using lower octane gasoline can cause engine knocking. Since the octane rating is significantly lower, the reduced ignition point causes premature combustion during the compression stroke. If the fuel ignites before the spark plug fires during the compression stroke, resistance occurs in the upward stroke. This resistance makes the engine run very unevenly. If the knocking is imperceptible, it only increases noise without obvious engine damage. However, noticeable knocking indicates severe engine operating conditions, affecting not only driving stability but also causing abnormal wear on pistons and cylinders, with severe cases potentially leading to cylinder scoring. In addition to checking the appropriate gasoline octane in the vehicle manual, Golf owners can also find this information on the fuel filler cap, which is usually labeled. Typically, the gasoline octane can also be determined based on the engine's compression ratio. Vehicles with a compression ratio between 8.6-9.9 should use 92-octane gasoline, while those with a compression ratio between 10.0-11.5 should use 95-octane gasoline. However, with the application of new technologies, the compression ratio alone cannot determine the required gasoline octane. High compression ratio engines can be tuned to use lower octane gasoline because, besides the compression ratio, other factors such as ignition timing, turbocharging technology, and Atkinson cycle technology also play a role. Generally, the higher the gasoline octane, the higher the octane rating and the better the anti-knock performance. 92-octane gasoline contains 92% isooctane and 8% n-heptane, while 95-octane gasoline contains 95% isooctane and 5% n-heptane.

7

0

Share

How Long After Drinking Rice Wine Can You Drive?

How many hours after drinking you can drive depends on the alcohol content of the beverage, the amount of alcohol consumed by the driver, and the body's ability to metabolize alcohol. Here is some information about drunk driving: Note: If a driver's blood alcohol content is found to exceed the legal limit, all 12 points on the driver's license will be deducted, and the driver will face severe penalties. In serious cases, administrative detention and criminal sentencing may also apply. Content: If the blood alcohol content exceeds 80 milligrams per milliliter, it indicates that the driver is severely drunk and not only will the driver's license be revoked, but the driver will also be prohibited from obtaining a new license for 5 years.

15

1

Share

What does the yellow triangle exclamation mark on the car dashboard indicate?

The yellow triangle exclamation mark on the car dashboard is the TCS (Traction Control System) indicator light, which is part of the ground adhesion control system. This light serves two main functions: 1. It illuminates to remind you to turn off the traction control system; 2. If it stays lit while the traction control system is active, it indicates a problem with the TCS. Typically, the light flashes when the TCS is in operation. If it remains constantly lit, it signifies a TCS issue. The solution to a lit traction control indicator is to restart the vehicle to restore normal function. A lit traction control indicator alerts the driver to deactivate the traction control system, which is a safety feature designed to adjust the vehicle's driving algorithm based on road conditions, keeping the drive wheel speed within an optimal range. TCS significantly enhances vehicle stability, especially on slippery surfaces. Without TCS, accelerating can cause the drive wheels to slip—rear wheels may lead to fishtailing, while front wheels can cause loss of steering control, making the vehicle veer to one side. With TCS, the car can prevent or mitigate such occurrences during acceleration, ensuring it stays on the correct path.

4

2

Share

How Long is the Driving License Subject One Exam?

The exam has a time limit of 45 minutes. According to the "Regulations on the Application and Use of Motor Vehicle Driving Licenses," candidates can take the Subject One exam twice on the same day. If they fail the first attempt, they can retake it for free. If they fail the second attempt, the Subject One exam is terminated, and they must wait ten days before rescheduling. Subject One, also known as the theoretical driving test or driver's theory exam, is part of the motor vehicle driving license assessment. The exam covers driving theory basics, road safety laws and regulations, local regulations, and related knowledge. The test is conducted on a computer. The Subject One exam consists of 100 questions, including single-choice and true/false questions, with each question worth 1 point, totaling 100 points. If a candidate answers 11 questions incorrectly during the exam, the system will automatically submit the test and end the session. Subject One exam content: Driving license and motor vehicle management regulations; road traffic conditions and rules; traffic safety violations and penalties; road traffic accident handling regulations; basic knowledge of motor vehicles; local regulations; knowledge of braking systems and safety devices for large and medium-sized passenger and freight vehicles; specialized knowledge for wheeled self-propelled machinery, trams, and trolleybuses. Subject One exam precautions: Candidates should dress appropriately—no slippers allowed. Electronic devices and bags are prohibited in the exam room. Bring your ID card and queue to enter the waiting hall. Observe the instructions and procedures on the screen, and store personal belongings in lockers before entering the exam room. At the identity verification station, you will be assigned a seat. Once seated, begin the exam. Ensure the camera is aligned with you and follow exam discipline. If you fail the first attempt, a retake is available the same day. If you fail again, you must pay to reschedule. After the exam, queue to collect your score report and sign it—unsigned reports are invalid. There is no limit to the number of times you can reschedule the Subject One exam. Each subject can be taken once, with one retake allowed if you fail. If you skip the retake or fail it, the exam is terminated, and you must reschedule. In contrast, Subjects Two and Three allow only five attempts. Subjects Two and Three can be rescheduled after ten days. If you fail the Subject Three safe driving knowledge test, your previously passed road driving skills test results remain valid. The driving test consists of three subjects: Subject One, Subject Two, and Subject Three. Subject One covers traffic safety laws, regulations, and related knowledge. Subject Two tests field driving skills. Subject Three includes two parts: road driving skills and safe driving knowledge. The safe driving knowledge test is conducted after Subject Three, so it is commonly referred to as Subject Four, though this term is not officially recognized in the regulations (i.e., the Ministry of Public Security's Order No. 123).

15

4

Share

Why does the engine fault light come on before starting the car?

How are 9-seater vehicles charged on highways?

What are the dimensions and specifications of the Touareg?

What are the consequences of using 92-octane gasoline in a Golf?

How Long After Drinking Rice Wine Can You Drive?

What does the yellow triangle exclamation mark on the car dashboard indicate?

How Long is the Driving License Subject One Exam?

Where to Get the Novice Driver Sign for Vehicles?

Is it necessary to install a car anti-theft device?

How to Turn on the Santana Windshield Wiper?

Why does a car stall while driving?