What to Do When White Car Paint Turns Yellow?

How to Replace the Battery in an Older Mercedes S Key?

Slide open the flap at the rear end of the key to remove the mechanical key. Insert the mechanical key into the side slot of the key holder, press the internal gray button, and with the other hand push the rear end of the key upward. When a gap opens, you can then remove the mechanical key. Detailed steps are as follows: 1. Remove the rear end by hand to replace the battery. After installing the new battery, reinsert the key holder, and the key battery replacement is complete. The lifespan of a Mercedes key battery is generally two years, while the original factory battery can last up to six years. 2. When the key battery is low, the Mercedes will provide two types of alerts: first, pressing the ignition switch will display a "Replace Key Battery" message on the dashboard. Second, pressing the lock or unlock button on the key will cause the indicator light on the key to dim or not light up, indicating it's time to replace the key battery.

19

0

Share

What happens if water is added to antifreeze?

Adding water to antifreeze will lower the freezing point of the antifreeze, potentially causing the engine to overheat. Additionally, it reduces the antifreeze's ability to resist freezing, and in severe cases, it may lead to the risk of the engine cracking due to freezing. Generally, antifreeze can withstand temperatures as low as -40 degrees Celsius, but after adding water, this may drop to -20 degrees Celsius. In northern regions, it is essential to replace it with standard antifreeze before winter to prevent the engine from freezing and cracking. Precautions for using antifreeze include: 1. Try to use the same brand of antifreeze; 2. Most antifreeze has a validity period of two years; 3. Avoid mixing with water; 4. For vehicles using antifreeze, never directly add tap water; instead, use distilled or deionized water.

2

1

Share

Why is the AC still blowing hot air when the cold air is turned on?

Press the blue downward arrow button to lower the temperature. Specific explanations are as follows: 1. AC is the cold air switch: The AC button controls the air conditioning compressor. In summer when using air conditioning, you must press the AC button to activate the cold air. However, the warm air simply utilizes the internal heat circulation of the car and does not require the air conditioning compressor to be turned on. Therefore, to use warm air, you only need to adjust the air conditioning buttons without activating the AC switch. 2. Car air conditioning: The car air conditioning system is used to regulate and control the temperature, humidity, air cleanliness, and airflow within the car cabin to optimal conditions, providing passengers with a comfortable environment and reducing travel fatigue. It also creates good working conditions for the driver and plays an important role in ensuring safe driving. Generally, it includes a cooling device, heating device, and ventilation device. This integrated system makes full use of the limited space inside the car, featuring a simple structure and easy operation, making it a popular modern car air conditioning system internationally.

3

5

Share

What is the installation method for a motorcycle throttle cable?

The installation method for a motorcycle throttle cable is as follows: 1. Pass the throttle cable through the carburetor upper cover, place the spring over the throttle cable, then extend the throttle cable through the throttle valve hole, pull it out from the adjacent slot and wind it all the way to the bottom, finally placing the head of the throttle cable into the groove at the bottom of the throttle valve; 2. When installing the throttle valve into the carburetor, ensure that the small beveled side of the throttle valve faces the idle screw, and the long groove aligns with the protruding point inside the carburetor before tightening the cover. Both cables on the motorcycle lead to the throttle grip on the right side of the handlebar. The top one is the throttle cable, responsible for controlling the throttle valve and needle valve, while the adjacent one is the accelerator pump cable, which allows the carburetor to inject a burst of fuel into the venturi during rapid throttle opening to enhance acceleration performance.

10

3

Share

Does a 15-year-old vehicle require on-site inspection in 2021?

A 15-year-old vehicle needs to undergo on-site inspection after the annual inspection validity period expires in 2021. For new vehicles within 6 years, they are exempt from inspection twice. At the 6th and 8th years, the vehicle must undergo on-site inspection. For private cars over 10 years old, those between 10 and 15 years require annual inspection once a year, while those over 15 years require inspection every six months. The new regulations include non-operational mini and small passenger vehicles with 7 to 9 seats (excluding vans) within 6 years in the exemption scope. Here is additional information: Article 15 of the "Regulations for the Implementation of the Road Traffic Safety Law of the People's Republic of China" states that motor vehicle safety technical inspections shall be conducted by motor vehicle safety technical inspection institutions. Motor vehicle safety technical inspection institutions shall inspect motor vehicles in accordance with national motor vehicle safety technical inspection standards and bear legal responsibility for the inspection results.

3

1

Share

Is It Dangerous When the Low-Pressure Run-Flat Indicator Stops?

Low-pressure run-flat indicator stopping is dangerous. When the low-pressure run-flat indicator stops, it indicates that the air pressure in at least one tire deviates from the pressure recorded during the last reset. It is necessary to recheck the tire pressure and then reset it, as this serves as a reminder for tire pressure inspection. If the tire pressure is insufficient, the dashboard will reactivate the low-pressure run-flat indicator. First, check the air pressure values of all four tires. If the indicator persists after adjustments, you can locate the maintenance menu via the steering wheel and select the tire pressure recovery reset option. Tire pressure refers to the air pressure inside the tires, and there should be a standard tire pressure label on the rear of the driver's side door. The tire pressure measured approximately three hours after parking is considered relatively standard. Vehicles have relatively high requirements for tire pressure, which also varies with seasonal changes and the weight carried by the vehicle.

10

3

Share

What to Do When White Car Paint Turns Yellow?

How to Replace the Battery in an Older Mercedes S Key?

What happens if water is added to antifreeze?

Why is the AC still blowing hot air when the cold air is turned on?

What is the installation method for a motorcycle throttle cable?

Does a 15-year-old vehicle require on-site inspection in 2021?

Is It Dangerous When the Low-Pressure Run-Flat Indicator Stops?

What Causes the Motorcycle Oil Light to Illuminate?

What are the precautions for trading in an old car to a 4S store?

When will the BMW 5 Series be updated?

What are the advantages of SUV cars?