···
Log in / Register

How to Calculate Safe Following Distance?

1Answers
KeiraMarie
07/25/2025, 01:20:35 AM

When a motor vehicle is driving on the highway at a speed exceeding 100 kilometers per hour, the safe following distance should be more than 100 meters. Below is relevant information about safe following distance: 1. Calculation of safe following distance: According to the "Road Traffic Safety Law of the People's Republic of China," when a motor vehicle is driving on the highway at a speed exceeding 100 kilometers per hour, the safe following distance should be more than 100 meters; when the speed is below 100 kilometers per hour, the minimum safe following distance should not be less than 50 meters. 2. Precautions: (1) Pay attention to the warning signs and auxiliary lines on the highway. When driving on the highway at a speed exceeding 100 kilometers per hour, maintain a safe distance of more than 200 meters from the vehicle in front in the same lane. (2) In adverse weather conditions such as fog, rain, snow, etc., it is essential to stay alert and increase the safe driving distance. When encountering low visibility conditions like fog, rain, snow, sandstorms, or hail, exercise extra caution, increase the following distance by more than double, and ensure to maintain a safe distance to prevent rear-end collisions.

Was this review help?
110
Share
More Q&A

How to Unclog a Car Fuel Tank Vent Pipe?

When the fuel tank vent hole is blocked, we can use a screwdriver or a stiff rubber tube to poke it open. If you are unable to unclog it yourself, you should go to a repair shop or a 4S store and ask professionals to use specialized tools to unclog it. Here is more information about the fuel tank vent hole: 1. The vent hole is located on the fuel tank cap. It balances the air pressure inside and outside the fuel tank, making refueling more convenient. If the vent hole is blocked, symptoms such as the fuel pump nozzle automatically stopping and incomplete refueling may occur during fueling. 2. When the temperature inside the fuel tank is high, the fuel will continuously evaporate, and the fuel vapor will rapidly increase the pressure inside the tank. The fuel tank cap is equipped with a vent hole to balance the internal and external pressure of the fuel tank and prevent the tank from collapsing.
115
Share

What Causes the Yellow Engine Light to Illuminate in a Sedan?

The reasons for the yellow engine light illuminating on a sedan's dashboard include the following: 1. Sensors such as the coolant temperature sensor, crankshaft position sensor, air flow sensor, intake air temperature sensor, and oxygen sensor. When these sensors are damaged, have poor contact, or experience signal interruption, they can trigger the engine warning light. 2. Poor engine maintenance is the most common cause of the engine warning light coming on. Vehicles have specific maintenance schedules that should be followed. 3. Poor-quality gasoline can lead to incomplete combustion of the air-fuel mixture during engine operation, causing the engine warning light to illuminate. 4. Poor combustion of the air-fuel mixture can result in engine carbon buildup or knocking issues, which are eventually detected by the engine's oxygen sensor, triggering the warning light. 5. The engine requires air intake for combustion. If the car's air filter is dirty and remains uncleaned for a long time, it can lead to clogging, which in severe cases may cause the engine warning light to come on.
109
Share

Where is the license plate code Ji J from?

Ji J is the license plate code for Cangzhou, Hebei Province, where Ji is the abbreviation for Hebei. The license plate codes in Hebei Province range from Ji A to Ji T, corresponding to Ji A for Shijiazhuang, Ji B for Tangshan, Ji C for Qinhuangdao, Ji D for Handan, Ji E for Xingtai, Ji F for Baoding, Ji G for Zhangjiakou, Ji H for Chengde, Ji J for Cangzhou, Ji R for Langfang, and Ji T for Hengshui. The following are the distinctions between license plate colors: 1. Blue plates are for small vehicles. 2. Yellow plates are for large vehicles, agricultural vehicles, and training vehicles. 3. White plates are for special vehicles, such as military and police cars. 4. Black plates are for foreign enterprises or individuals bringing vehicles from abroad. 5. Gradient green represents small new energy vehicles.
108
Share

Does the 2021 BMW 325 come with a card key?

2021 BMW 325 comes with a card key. Here are the specific details about the BMW 3 Series: 1. Body dimensions: The body weight is 1465 kg, and the length, width, and height are 4734mm, 1811mm, and 1455mm respectively. 2. Powertrain: The long-wheelbase version of the BMW 3 Series is equipped with the new B-series 2.0T engine, with the same power output as the current 320i/Li at 184 horsepower, but the tail badge has been changed to 325Li. 3. Transmission: It is paired with an 8-speed automatic transmission. Additionally, improvements in lightweight design, thermal energy management, and fuel efficiency optimization contribute to the vehicle's power output.
116
Share

What Causes Power Steering Failure in the Buick Regal?

Power steering failure in the Buick Regal may be caused by loose connections in the power steering system, leading to steering fluid leakage. Below are specific details about the Buick Regal: 1. Body dimensions: The Buick Regal measures 4902mm in length, 1863mm in width, and 1456mm in height, with a wheelbase of 2829mm, offering decent space in both front and rear rows. 2. Exterior design: The new front-end design of the Regal emphasizes its elegant and dynamic characteristics. The slim and straight wing-shaped chrome trim extends to the LED daytime running lights on both sides, creating a more pronounced continuous effect. The car's signature wing-shaped LED daytime running lights are innovatively positioned at the bottom of the headlights, complemented by the air curtain design on both sides of the front bumper. These attention to details make the new Buick Regal appear lower, wider, and full of dynamism.
117
Share

Where is the air conditioning fuse located in the Peugeot 307?

The air conditioning fuse in the Peugeot 307 is located inside the fuse box at the front left of the engine compartment. You need to remove the fuse box cover to see it. Here are some specific details about the Peugeot 307: 1. Model: The Dongfeng Peugeot 307 features an integrated steel body that significantly enhances the vehicle's strength. In the event of a collision, specially designed impact absorption zones reduce the impact on passengers, improving their protection. The overall body ensures good grounding performance, fully ensuring driving safety. 2. Performance: In terms of performance, the Dongfeng Peugeot 307 shares the same design philosophy as other models in the series, with a transverse-mounted engine, front-wheel drive, four-wheel independent suspension, and comprehensive active and passive safety features. Human-centric design is evident throughout. It has a wheelbase of 2.61 meters. The overall vehicle length is 4.47 meters, width is 1.76 meters, height is 1.51 meters, and the trunk volume reaches 506 cubic decimeters.
114
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.