Does a 6-year-old car need refrigerant replacement?

What to Do If You Lose Your BMW Car Key?

Make every effort to search for it. If it cannot be found, you can use the spare key, but remember to go to the 4S store to deactivate the lost key. Use the password key to reconfigure a new one at the 4S store, and you need to provide the vehicle and the owner's identification documents to the 4S store.

17

5

Share

Will There Be Any Impact If Tires Are Soaked in Water Overnight?

Tires being soaked in water overnight will not have any impact. The following is an introduction to tire pressure-related content: 1. Function of low-pressure tires: Low-pressure tires are mainly used for private cars. 2. Function of high-pressure tires: High-pressure tires are mainly used for large trucks or passenger vehicles. 3. Tire pressure: The tire pressure for cars running on highways is 2.5 kilograms per cubic centimeter. The following is extended information about car tires: 1. Cushioning impact: Car tires are one of the important components of a car, directly in contact with the road surface, and together with the car suspension, they cushion the impact received during driving. 2. Comfort: Ensuring the car has good ride comfort and smooth driving, ensuring good adhesion between the wheels and the road surface, improving the car's traction, braking, and off-road capability, and bearing the weight of the car.

20

0

Share

Why is there a regular buzzing noise after reaching 40 km/h?

There is a regular buzzing noise after reaching 40 km/h because: 1. Engine noise: Engine noise indicates that the technical state of a certain mechanism in the engine has changed, mainly due to excessive wear of some parts or improper assembly and adjustment. It should be repaired in time to prevent the fault from expanding. 2. Transmission noise: The transmission has many parts, and the causes of noise are relatively complex. If the transmission noise is obvious, it is recommended to send it to a professional repair shop to identify the faulty part and then replace it. 3. Door noise: Door noise is mainly caused by lack of lubrication. Determine whether it is the door hinge position or the internal components of the door, such as the window regulator, door lock mechanism, or handle mechanism. If it is the door hinge or limiter, a special door hinge and slide lubricant can be used, while the internal components of the door, such as the window regulator, door lock mechanism, or handle mechanism, can be lubricated with a special door accessory lubricant.

14

2

Share

Why Does Driving in Summer Consume More Fuel?

Using the car air conditioner for extended periods during summer driving increases fuel consumption. 1. Overfilling the tank: This is also a significant factor that raises the vehicle's fuel consumption. Summer temperatures are relatively high, making gasoline in the tank highly prone to evaporation. Filling less not only benefits the car's usage but also reduces the vehicle's weight. 2. Car maintenance: Failure to perform timely maintenance and inspections on the car can lead to minor issues. Problems such as air conditioning malfunctions or poor engine oil performance can all result in increased fuel consumption.

14

1

Share

Can Water and Antifreeze Be Mixed?

It is not recommended to mix antifreeze with water. The specific reasons are as follows: 1. Anti-corrosion function: The engine and its cooling system are made of metal, including copper, iron, aluminum, steel, and solder. These metals, when in contact with cooling water at high temperatures for extended periods, can corrode and rust. Antifreeze not only prevents corrosion to the engine cooling system but also has anti-corrosion and rust-removal functions. 2. Higher boiling point of antifreeze: The boiling point of water is 100 degrees Celsius, while high-quality antifreeze coolant typically has a boiling point above 110 degrees Celsius, making it suitable for high-temperature environments in summer. 3. Antifreeze prevents scaling: Using water as a coolant can lead to scaling issues. Scale deposits on the metal surfaces of the radiator and water jacket reduce heat dissipation efficiency over time and are difficult to remove. High-quality antifreeze is made with distilled water and contains anti-scaling additives, which not only prevent scaling but also have descaling capabilities.

10

3

Share

How to Start a New Energy Vehicle?

To start the vehicle, first press the brake pedal to power on, then press the start button, and rotate the gear to D position. Release the handbrake, lift the brake pedal, and gently press the accelerator pedal (more accurately, the power pedal) to complete the starting process.

4

Share

Does a 6-year-old car need refrigerant replacement?

What to Do If You Lose Your BMW Car Key?

Will There Be Any Impact If Tires Are Soaked in Water Overnight?

Why is there a regular buzzing noise after reaching 40 km/h?

Why Does Driving in Summer Consume More Fuel?

Can Water and Antifreeze Be Mixed?

How to Start a New Energy Vehicle?

Which Oil is Suitable for Aisin 6AT Transmission?

Can I take the vehicle license photo myself?

What is the minimum speed limit for driving in the middle lane?

Will Storing Alcohol in the Car Trunk Affect It During Summer?