How to Remove the Rearview Mirror Rain Guard Film?

How to Check the Production Date of a Car Battery?

Automotive battery production dates are typically printed on the battery surface, represented by a series of numbers and letters. Since batteries are categorized as warranty-covered wear parts, different brands offer varying warranty periods, usually 1 year or 20,000 kilometers, as specified in the battery manual. Taking battery code 3KZ28A1 as an example: 1. The first digit is a number: usually one of 0-9, indicating the production year. In this case, '3' represents 2013; 2. The second character is a letter: one of ABCDEFGHJKM (12 letters total), representing the production month (1-12 in alphabetical order). Here, 'K' means October; 3. The third letter indicates the manufacturing plant: 'C' for Chongqing, 'Z' for Zhejiang. Here, 'Z' shows Zhejiang production; 4. The fourth and fifth digits show the production day—'28' means the 28th; 5. The sixth and seventh characters (letter-number combo) denote the batch. 6. Conclusion: This battery was produced on October 28, 2013, in Zhejiang, batch A1.

3

Share

What Causes the Headlight Height Adjustment to Malfunction?

The malfunction of the headlight height adjustment is caused by damage to its motor. Adjustable headlight height refers to modifying the headlight's angle to achieve the optimal illumination distance, thereby preventing potential hazards. This is a safety feature in vehicle lighting, typically utilizing an electric motor to adjust the headlight height electronically. Below is an introduction to headlight height adjustment: 1. The headlight height adjustment knob is usually located on the left side of the dashboard, near the light control switch. 2. Generally, the knob is marked with numbers from 0 to 3, where a higher number indicates a lower height. In most cases, the 0 position is sufficient. 3. Position 0 is the default setting, representing the horizontal height suitable for when the front seats are occupied and the trunk is empty. Positions 1-3 are appropriate for when the vehicle is fully loaded with passengers and cargo.

18

0

Share

What causes the engine light to flash frequently?

The reasons for the engine light flashing frequently are as follows: 1. Poor quality gasoline that does not meet standards. Generally, the engine light comes on due to the use of substandard gasoline. 2. Oxygen sensor failure. A damaged oxygen sensor or a loose or damaged sensor connector can cause the air-fuel mixture to be too lean or too rich, triggering the engine light. 3. Symptoms such as unstable idle, poor acceleration, backfiring in the intake manifold, and black smoke from the exhaust pipe can cause the engine light to flash frequently. 4. Dirty engine cylinder interiors and accumulated carbon deposits. Over time, carbon deposits build up inside the engine, altering its design parameters and causing irregular ignition, leading to engine knocking and frequent flashing of the engine light.

8

4

Share

What level does the Changan DS7 belong to?

Changan DS7 belongs to the A+ level car. More information about Changan DS7 is as follows: 1. As the flagship of the DS brand, the Changan DS7's design is both elegant and popular, perfectly showcasing French aesthetics: the diamond-patterned front grille with a strong sense of texture, the scimitar-shaped LED daytime running lights, and the rotating 3-LED headlights are full of design and sophistication. 2. The Changan DS7 is equipped with a 12-inch full LCD dashboard, touchscreen central control, Electra sound system, Nappa leather seats with a bracelet-style design, night vision system, and other configurations.

18

1

Share

Where is the VIN located on the Elysion?

The VIN of the Dongfeng Honda Elysion is located under the hood, right above the engine cover. More information about the VIN is as follows: 1. The VIN (Vehicle Identification Number), known as the vehicle identification code in Chinese, is a unique set of characters assigned by the manufacturer to identify a vehicle. 2. The VIN is a 17-character alphanumeric code, also referred to as the 17-digit identification code, chassis number, or 17-digit number. The arrangement and combination of the vehicle identification code ensure that no two vehicles of the same model will have the same number within 30 years, providing a unique identifier for the vehicle. Therefore, it can be called the "car's ID card".

18

4

Share

What are the precursors of a bad crankshaft sensor?

Crankshaft position sensor damage, the car shows the signs of no high voltage, no fuel injection, unable to start the car. Of course, the most obvious phenomenon is the engine fault light on the dashboard. Because the crankshaft position sensor is damaged, the cranking angle of the crankshaft cannot be confirmed, and the engine computer does not receive the signal from the crankshaft position sensor, so to protect the engine, it will not ignite or inject fuel. There are three types of crankshaft position sensor damage: 1. Magnetic induction type: The fault of the magnetic induction crankshaft position sensor is that the engine cannot start. When checking the engine condition, it is found that the delayed ignition is the real reason why the engine cannot start. Solution: Reconnect the wiring, readjust the distributor, and check the ignition timing. 2. Hall effect type: The Hall effect crankshaft position sensor is used for sequential fuel injection, ignition timing, and knock control of the engine. When a fault occurs, the transmitted signal is not within the normal range. Solution: Check whether the permanent magnet, magnetic conductive plate, and integrated circuit are normal. 3. Photoelectric type: The fault of the photoelectric crankshaft sensor is poor engine acceleration, automatic flameout during starting, and sometimes high-voltage sparks. The reason is poor ignition system performance, resulting in weak high-voltage sparks. Solution: Check the low-voltage circuit, main relay, internal short circuit of the high-voltage ignition coil, engine control unit failure, and abnormal wear of some mechanical parts.

1

0

Share

How to Remove the Rearview Mirror Rain Guard Film?

How to Check the Production Date of a Car Battery?

What Causes the Headlight Height Adjustment to Malfunction?

What causes the engine light to flash frequently?

What level does the Changan DS7 belong to?

Where is the VIN located on the Elysion?

What are the precursors of a bad crankshaft sensor?

What Causes the Buzzing Noise When Accelerating That Stops When Letting Off the Throttle?

Is Hongqi a State-Owned Enterprise?

What are the benefits of replacing spark plugs?

What do P, N, D, and R gears mean?