What are the symptoms of a broken transmission gear?

What is the purpose of the shark fin on the roof of a car?

Here are the functions of the shark fin on the roof of a car: 1. Signal reception: Generally, the shark fin on the roof of a car contains an electronic signal transmission device. The car's navigation system uses the equipment inside the shark fin for positioning. At the same time, it can also provide signals for devices such as the car's radio and Bluetooth, and can enhance signal strength. 2. Static electricity discharge: The shark fin on the roof of a car can discharge static electricity inside the car in dry environments, avoiding many unnecessary problems caused by static electricity. In addition to the shark fin on the roof, static electricity can also be discharged from the car to the road surface using a chain attached to the rear of the car. 3. Airflow disruption: The shark fin on the roof of some performance cars can disrupt airflow, making it more aerodynamic. This helps press the car onto the road surface during high-speed driving, improving stability.

17

4

Share

What is the maximum length of a blue license plate truck cargo compartment?

Blue license plate trucks have a maximum vehicle length of 6m and a total mass of less than 4500kg. Vehicles eligible for blue license plates are light and mini trucks. Trucks are classified into three types: light, medium, and heavy. Different countries have varying classification methods and standards. In China, trucks are classified based on their load capacity: light trucks have a load capacity below 3.5 tons, medium trucks range from 4 to 8 tons, and heavy trucks exceed 8 tons. Below is an introduction to license plate types: 1. New energy vehicle license plates: Green background with black characters and black borders. New energy vehicle plates feature a gradient green color, while large new energy vehicle plates combine yellow and green (the regional code part is yellow, and the number part is green). 2. Large vehicle license plates: Yellow background with black characters and black borders. These are for medium (and above) passenger vehicles, trucks, special purpose vehicles, semi-trailer tractors, and electric vehicles. 3. Trailer license plates: Yellow background with black characters and black borders. These are for full trailers and semi-trailers not permanently attached to a tractor. 4. Small vehicle license plates: Blue background with white characters and white borders. These are for medium and below passenger vehicles, trucks, and special purpose vehicles. 5. Embassy and consulate vehicle license plates: Black background with white characters and white borders. These are for vehicles of embassies and consulates in China.

16

3

Share

What to Do if the Rear Window Defroster Wires Are Scratched During Film Reapplication?

During the reapplication of window film, the rear window defroster wires will not be scratched because they are embedded between the layers of glass. The film also does not significantly affect the heating function. The benefits of automotive window film are as follows: 1. Heat and Sun Protection: The film effectively blocks a large amount of heat generated by infrared rays. For example, the Mocha front windshield film MA70 can block up to 99% of infrared radiation. 2. UV Protection: Medium and long-wave ultraviolet rays can penetrate thick glass, but the film can block 99% of UV rays, preventing skin damage and reducing the aging of car interiors. 3. Safety and Explosion Protection: The base layer of the film is made of polyester, which is highly resistant to tearing and puncturing. Combined with the adhesive layer, the film can increase the glass strength by 100 times, preventing secondary injuries from accidental glass breakage. 4. Creating Privacy: After applying the film, it becomes difficult to see inside the car from a distance of one meter, ensuring privacy and security.

19

3

Share

Which Cars Have the Gear Shift on the Center Console?

Currently, among the models on sale, those with the gear shift located on the center console include the Mercedes-Benz Vito, Volkswagen Multivan, Buick GL8, Chrysler Pacifica, Ford S-MAX, Honda Odyssey, and the new Picasso, among others. These are generally found in MPV models. The reasons for designing the gear shift on the center console are as follows: 1. Increased space utilization: Placing the gear shift on the center console can effectively increase the space utilization between the driver and the front passenger. 2. Convenience for the driver: Typically, MPV models are taller and wider, so the central passage inside the vehicle is also wider. If the gear shift were placed in the conventional position, it would increase the distance the driver's wrist has to move during gear shifting, making it awkward. Therefore, to facilitate the driver's operation, the gear shift is placed on the center console.

13

2

Share

What are the sensors on a car?

There are oxygen sensors, wheel speed sensors, coolant temperature sensors, electronic throttle pedal position sensors, intake pressure sensors, etc. on a car. Below is a partial introduction to car sensors: 1. Oxygen sensor: When the oxygen sensor fails, the ECU cannot obtain this information and does not know whether the amount of gasoline injected is correct. 2. Wheel speed sensor: It mainly collects the car's speed to determine if there are signs of skidding. Once the sensor is damaged, the ABS will fail. 3. Coolant temperature sensor: When the coolant temperature sensor fails, it often shows the temperature signal of a hot car when starting a cold car, and the ECU cannot get the correct signal. 4. Electronic throttle pedal position sensor: When the sensor fails, the ECU cannot measure the throttle position signal, and even situations where the engine cannot accelerate may occur. 5. Intake pressure sensor: As the name suggests, the intake pressure sensor senses a series of resistance and pressure changes with different engine speed loads, converts them into voltage signals, and provides them to the ECU to correct the fuel injection amount and ignition timing angle.

1

0

Share

What Are the Methods of Shifting Gears in Cars?

There are several methods of shifting gears in cars: 1. Manual Transmission: Manual transmission, even within manual transmissions, there are many different operation methods, mainly differing in the position of the reverse gear. The most common is the traditional manual transmission, where the reverse gear is located at the bottom right. There are also a few 6-speed models where the reverse gear is next to the first gear, requiring a strong push to the left before engaging reverse, such as in the older BMW 1 Series M. 2. Push-Down Reverse: Push-down reverse requires pressing the gear lever down before engaging the first gear or reverse position. This shifting method is more common in Volkswagen manual transmission models, designed mainly to prevent accidental operation. 3. Pull-Up Reverse: Pull-up reverse is commonly found in Korean cars, such as Hyundai and Kia, as well as some American cars like Buick and Chevrolet. There is a pull ring or button below the gear knob, which must be pressed before engaging reverse. 4. Automatic Transmission: Automatic transmission has even more shifting methods. The first and most common is the simplest straight-line automatic transmission lever, arranged in a straight line from top to bottom. To operate, simply press the brake and the button on the gear lever to shift.

15

4

Share

What are the symptoms of a broken transmission gear?

What is the purpose of the shark fin on the roof of a car?

What is the maximum length of a blue license plate truck cargo compartment?

What to Do if the Rear Window Defroster Wires Are Scratched During Film Reapplication?

Which Cars Have the Gear Shift on the Center Console?

What are the sensors on a car?

What Are the Methods of Shifting Gears in Cars?

How to Read the Date on Car Tires?

What are the symptoms of a damaged fuel pump?

Can you proceed when the light is red in the waiting area?

Must I wait 10 days to retake the driving test after failing Subject 3?