What are the functions of fuel additives?

What does the three differential locks in a car mean?

Three differential locks refer to the central differential lock, rear axle differential lock, and front axle differential lock. These three differential locks are used to lock the differential at the corresponding positions, enabling the corresponding axles to achieve the same rotational speed. Specific usage scenarios are as follows: 1. When driving on unpaved roads, if wheel slippage occurs, locking the differential can transfer the vehicle's power to other wheels, thereby helping the vehicle escape difficult situations. 2. For full-time drive vehicles, the car is equipped with three differentials, allowing its four wheels to rotate at different speeds and automatically receive different torque distributions based on their respective ground traction, ensuring the vehicle obtains excellent driving force.

8

1

Share

How to Drive in a Straight Line?

Here are the methods to drive in a straight line: 1. Look farther ahead: Many beginners tend to veer off course when driving on wide roads. The reason is that the large space and broad field of vision can weaken the reference points from the roadside and lane markings. Therefore, beginners should focus their gaze farther ahead, which makes it easier to detect any deviation and correct it promptly. 2. Keep the steering wheel steady and aligned: Generally, keeping the steering wheel flat and unmoved will help maintain a straight path. First, ensure the steering wheel is properly aligned; otherwise, it may tilt to one side, causing the car to drift. If the car slightly deviates from the straight line, gently adjust the steering wheel in the opposite direction by a small angle. Avoid making large adjustments. Additionally, holding the steering wheel steadily is crucial to prevent the car from weaving in an S-pattern due to nervous hand tremors. 3. Practice more to develop a feel for the car: If you struggle with driving straight, try this practice method: Find a quiet, straight road or an open area with few people and cars. Have a friend stand in the distance as a reference point, and drive toward them from the opposite end.

15

2

Share

What Causes the Squeaking Sound When Releasing the Clutch?

The squeaking sound when releasing the clutch can be attributed to the following reasons: 1. Excessive wear of the rubber pad on the vehicle's clutch pedal, causing friction between the rubber pad and the shoe sole, which produces the sound. 2. The vehicle's clutch disc is excessively worn and needs to be replaced. The clutch in manual transmission vehicles is crucial for the vehicle. Once the clutch is damaged, the vehicle will not be able to shift gears. The clutch of a motor vehicle is located inside the flywheel housing between the engine and the transmission. During normal driving, the driver presses or releases the clutch pedal as needed to temporarily separate or gradually engage the engine and the transmission.

4

2

Share

How long does it take to charge the BYD Han DM?

Charging the BYD Han DM typically takes about a week. For a pure electric long-range version of the BYD Tang DM, using a 7kW charging pile, it takes approximately 3.5 hours to fully charge from 0%. Here are some relevant details: 1. The BYD Han can achieve a range of 135km with just 10 minutes of charging, and it only takes 25 minutes to charge from 30% to 80%. The braking distance from 100-0km/h is 32.8 meters; the car's drag coefficient is 0.233Cd; the 0-100km/h acceleration time is 3.9 seconds; additionally, the car's kinetic energy recovery efficiency reaches nearly 35%. 2. The BYD Han EV is the flagship new energy model launched by BYD Auto in 2020, marking BYD's new energy vehicles moving towards the mid-to-high-end market. The BYD Han is a B-segment car with body dimensions of 4980 (4960)/1910/1495mm and a wheelbase of 2920mm. 3. The BYD Han features the BYD Dynasty series' family design language, inspired by the Chinese dragon, symbolizing not only speed and strength but also leadership. The front face design uses a closed method, appearing simple and elegant. Unlike previous models, the new car's design elements transform the dragon's mouth into a flat design, lowering the front-end stance and complementing horizontal lines.

17

3

Share

What does MPV model mean?

MPV models evolved from station wagons, offering more space than sedans of the same displacement and focusing on comfortable driving experiences. There are various ways to classify MPVs. For example, by purpose, they can be divided into family MPVs and commercial MPVs; by seating capacity, they can be categorized into 5-seater MPVs and 7-seater MPVs. From a development platform perspective, some MPVs are derived from sedan platforms, while others are derivatives of light buses. Additional Information: 1. MPVs feature a spacious and complete passenger compartment, which provides great flexibility in interior layout—this is one of the most attractive aspects of MPVs. The cabin can accommodate seating for 7-8 people along with some luggage space. The seats are flexibly arranged, allowing them to be fully folded or reclined. Some seats can even move forward, backward, sideways, or rotate. Folding down the third-row seats transforms the vehicle into a wagon with oversized luggage space. Lowering the three right-side seats simultaneously creates an extended cargo area. Rotating the second-row seats 180° backward allows passengers to face the third row for conversation, or folding the seatbacks forward turns them into a desktop for work or entertainment. 2. MPVs are versatile vehicles suitable for various users. Companies can use them for short to medium-distance business trips or as employee shuttles. MPVs are also ideal for family use—commuting to work, weekend shopping, or holiday trips with family and friends to the countryside. A single MPV can handle all these needs effortlessly. The practicality, comfort, and safety of MPVs will make them increasingly popular among consumers.

4

1

Share

How to Determine if the Car Compressor is Broken?

Methods to determine if the car compressor is broken include: 1. The air conditioning compressor pulley rotates normally but still does not cool; 2. Poor contact or damage prevents the compressor electromagnetic clutch from engaging. Solutions are: 1. Check the air conditioning compressor relay; 2. Replace the compressor relay with a new one to engage the electromagnetic clutch. The compressor is the heart of the car air conditioning refrigeration system, responsible for compressing and transporting refrigerant vapor. Compressors can be divided into fixed displacement and variable displacement types. Based on different working principles, air conditioning compressors can be categorized as fixed displacement compressors and variable displacement compressors.

16

1

Share

What are the functions of fuel additives?

What does the three differential locks in a car mean?

How to Drive in a Straight Line?

What Causes the Squeaking Sound When Releasing the Clutch?

How long does it take to charge the BYD Han DM?

What does MPV model mean?

How to Determine if the Car Compressor is Broken?

What does it mean when an Audi's hazard lights and horn activate by themselves?

How often should the Mazda 3 transmission fluid be changed?

What Causes Wheel Spin When Accelerating Hard from a Standstill?

Under What Circumstances Should the Lower Control Arm Be Replaced?