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List of the table of contents of this article:

• 1, Car one circle one exclamation mark
• 2 , What's wrong with the sizzling sound of the car when you step on the brake (there is a sizzling sound when you step on the brake)
• 3
  、How many kilometers does a car drive per minute
• 4,Customs authorization via HS code checks What does an exclamation mark plus parentheses mean

A circle and an exclamation mark

1. This is a brake alarm light. Generally, the handbrake is not released, or not to the end. The brake alarm light is red, and the pattern is that there is a "!" in the circle. Symbol.

2. The exclamation mark of the car dashboard circle is the brake alarm light. If the light is red, it means that the car has issued a brake alarm. If the light is still on when the handbrake is still on, it may be that the brake fluid level is too low. You should immediately stop to check and supplement.

3. The pattern is a "!" in the circle. The symbol is the brake alarm light,If the light is on (red), it means that the car has issued a brake alarm, indicating that the brake system has the following conditions: the friction pad of the brake is seriously worn. The liquid level of the brake fluid is too low. The parking brake has been tightened (the parking brake is turned on and off).

4. It may also be that the steering column lock is faulty. In this case, you can't continue to drive. You should contact the 4S store in time for help. Electronic parking fault indicator light: a circle with P and an exclamation mark inside. The appearance of this sign indicates that the electronic parking system is faulty, so the alarm signal light is on.

What's wrong with the sizzling sound when the car steps on the brake (there is a sizzling sound when the brake to the end)

The reasons are as follows: the brake disc or brake pad is rusty; the brake is a new brake; the brake disc and brake pad are excessively worn out; the brake pad is installed in reverse or the model does not match; the use of inferior and hard brake pads: the brake pump is abnormal, the brake fluid is lacking; there is a foreign matter between the brake drum or disc and the shoe pad.

The reason why there is a strange sound when stepping on the brake is rust or dirt, the new car is not run-in, the brake pads are excessively worn, the car brake pads are reversed or the model is not equal.

When stepping on the brakeIf there is a "squeak" sound, it is mostly caused by excessive wear of brake pads, resulting in unnecessary gaps. Of course, improper use or deformation of the brake disc material, unqualified hardness, porosity, friction characteristics and compression characteristics of the brake disc may lead to abnormal noise.

How many kilometers does a car drive in a minute

1. meters. Calculated as the driving speed of the car is 60 kilometers per hour (1 kilometers per hour is equal to 0:28 meters per second), then the driving speed of the car is 60 times 0:28 per second equals 16:8, one minute is 60 seconds, and the driving distance is 16:08 times 60 equal to 1008 meters.

2. According to the speed of the car at 120 km/h, the car can travel 2 kilometers per minute.Among the mass-produced cars, the fastest running is the BugattiVeyron, with a speed of 405 km/h, equivalent to 75 km/m. Ordinary cars can easily run at 140 km/h, that is, 33 km/m.

3. According to the official website of Pacific Automobile, if the speed of the car is 120 km/h, the car can travel 2 kilometers per minute. Among the mass-produced cars, the fastest running is the Bugatti Wayron, with a speed of 405 km/h, equivalent to 75 km/m.

What does an exclamation mark plus parentheses mean

1. [Pacific Automobile Network] The meaning of an exclamation mark plus parentheses in a car: tire pressure monitoring warning light, if the tire pressure is abnormal, the warning light will light up .The tire pressure monitoring function only alarms when the tire pressure is abnormal, but cannot display real-time tire pressure data.

2. An exclamation mark in a parentheset is a tire pressure alarm fault. The tire is punctured, the tire pressure is too high, the tire pressure is too low, and the low tire pressure driving for too long will cause this fault.

3. An exclamation mark in the middle of the parentheses is the meaning of the tire pressure alarm light; indicating that the tire pressure sensor detects that the tire pressure of one or more tires is abnormal, indicating that the tire is damaged or leaking; if you continue to drive, there may be a danger of flat tire, and you should stop and check the tires as soon as possible.

4. There are about three kinds of exclamation sign warning lights on the car dashboard: this light lights up to remind you to turn off the driving control system.

5. The meaning of an exclamation mark plus parentheses in the car: tire pressure monitoring warning light. If the tire pressure is abnormal, the warning light will light up.The tire pressure monitoring function only alarms when the tire pressure is abnormal, but cannot display real-time tire pressure data. If there is an exclamation mark in the middle of the bracket circle, it is the brake system warning light.