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What does the letter P with a circle mean on a car?

1 Answers

DiJude

07/30/25 9:14am

The P button in the middle of the car is the electronic parking brake. Here are the relevant details: 1. Working Principle: The electronic parking brake works on the same principle as the mechanical handbrake, both achieving parking control through the friction generated between the brake disc and the brake pads. The only difference is that the control method has changed from the mechanical handbrake lever to an electronic button. 2. Electronic Parking Brake: The electronic parking brake, also known as the Electronic Parking Brake (EPB), integrates the temporary braking function during driving with the long-term parking braking function, and realizes parking braking through electronic control. The electronic parking brake extends from the basic parking function to the automatic parking function AUTO-HOLD. The application of AUTO-HOLD automatic parking technology allows drivers to avoid prolonged braking when the vehicle is stopped. When the automatic electronic parking brake is activated, it can prevent unnecessary sliding of the vehicle.

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Are there charging stations at highway gas stations?

Nowadays, highway rest areas are equipped with charging stations for electric vehicles. The function of charging stations is similar to fuel dispensers at gas stations. They can be fixed on the ground or walls and installed in public buildings (such as public buildings, shopping malls, public parking lots, etc.) and residential community parking lots or charging stations. They can charge various types of electric vehicles according to different voltage levels. The following are the benefits of new energy vehicles: 1. Save fuel energy: New energy vehicles generally use natural gas, petroleum gas, hydrogen, or electricity as power, saving fuel energy. 2. Reduce exhaust emissions: New energy vehicles produce no exhaust emissions, effectively protecting the environment. Electric vehicles do not produce tailpipe emissions and are pollution-free. Hydrogen-powered vehicles emit only water, causing no pollution to the environment. Because they are essentially zero-emission, they are also exempt from traffic restrictions. 3. High efficiency: New energy vehicles generally adopt new technologies and structures, making them more efficient.

Is it necessary to wear a seatbelt on the highway?

Yes, it is mandatory to wear a seatbelt. When driving on highways, failure to use seatbelts as required will result in a fine and a 2-point deduction from the driver's license. According to the "Scoring Standards for Road Traffic Safety Violations," driving on highways or urban expressways without wearing a seatbelt as required will incur a 2-point penalty. Here are some details about seatbelts: 1. Introduction 1: Car seatbelts are safety devices designed to restrain occupants during a collision, preventing secondary collisions with the steering wheel, dashboard, etc., or avoiding injuries from being ejected from the vehicle. 2. Introduction 2: Car seatbelts, also known as seat safety belts, are a type of occupant restraint system. They are recognized as the most cost-effective and efficient safety device, and many countries mandate their installation in vehicles.

What is the fuel consumption of the Wuling Hongguang S?

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What Causes Engine Noise When AC Is On but Not When AC Is Off?

Determine whether the noise is coming from inside or outside the vehicle. If it's inside, the issue is likely with the blower motor. If it's outside, the noise usually comes from the compressor or other pulleys. Below are the details: 1. Interior Noise: A damaged blower motor, water ingress or lack of lubrication in the shaft, or even shaft wear can cause a squeaking sound. Though not very loud, the noise is somewhat sharp and easily noticeable. In such cases, the blower motor usually needs replacement as repairs are often not feasible. 2. Exterior Noise: Noise outside the vehicle when the AC is on isn’t necessarily from the compressor, though that’s the most likely source—it could also be from other pulleys. Before turning on the AC, the overall load is minimal, allowing the pulleys to operate normally. When the AC is activated, the increased load may cause already worn-out pulleys to produce noise. If the noise is minor, you can continue driving, but if it’s loud, it’s best to have it checked at a repair shop.

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