What is the Working Principle of Automotive Circuits?

What are the consequences of crossing double white solid lines when changing lanes?

Crossing white solid lines constitutes a violation of traffic markings and is easily captured by electronic surveillance, resulting in corresponding penalties. For dangerous behaviors such as overtaking, making U-turns, or reversing that are recorded by electronic surveillance or observed by traffic police on-site, the typical penalty is a fine and a deduction of 3 points. If a traffic accident occurs due to crossing white solid lines, the vehicle that crossed the lines will bear the primary responsibility for the accident. Single yellow solid line: In areas with relatively low traffic volume and narrow roads, single yellow solid lines are used to separate opposing traffic flows. On such roads, crossing or driving over single yellow solid lines is prohibited. Doing so not only risks collision with oncoming vehicles, which is extremely dangerous, but also results in penalties, including a deduction of 3 points. Double yellow solid lines: Similar to single yellow solid lines, double yellow solid lines also serve to separate opposing traffic flows, but they are primarily used on major roads with higher traffic volumes. Likewise, crossing or driving over double yellow solid lines is strictly prohibited.

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How to Deal with Excessive Coolant Consumption in New Cars?

First, check whether there is any leakage in the radiator. If there is a leakage point, repair it or replace it if necessary. Secondly, check whether the overflow tank, the joint surface of the water pump, and the pipe fittings of the cooling system are loose, and tighten the loose parts. Check the sealing condition of the cylinder gasket to eliminate the possibility of coolant entering the cylinder and being burned. The main reasons for rapid coolant consumption in cars are: 1. Unreasonable design of the cooling system. 2. Leakage. 3. Poor circulation leading to rapid consumption. 4. Coolant entering the cylinder and being burned. Below is some relevant information: 1. Coolant, also known as antifreeze, is a liquid composed of antifreeze additives, additives to prevent metal corrosion, and water. It has properties such as antifreeze, anti-corrosion, heat conduction, and non-deterioration. Nowadays, antifreeze mainly composed of ethylene glycol, with added anti-corrosion additives and water, is commonly used. 2. The engine cooling system of internal combustion vehicles is a liquid-cooled closed-loop system composed of cylinders, jackets, and radiators. The working condition of the cooling system directly affects the normal operation of the vehicle and its service life.

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Is a Manual-Automatic Transmission More Fuel-Consuming Than a Manual Transmission?

With the same driving skills and the same car model, a manual-automatic transmission consumes more fuel than a manual transmission. The related introduction of manual-automatic transmission is as follows: Introduction to Manual-Automatic Transmission: In a manual-automatic transmission vehicle, when shifting from the automatic D gear to the M gear, the clutch or brake used for a specific gear remains fixed. For example, in a 6AT transmission driving in D gear at 3rd gear, switching to M gear keeps the transmission in 3rd gear. While driving in 3rd gear, the two clutches 35R and UD inside the transmission remain engaged, keeping the transmission fixed in 3rd gear. Principle of Manual-Automatic Transmission: When the driver shifts from D gear to M gear, it does not involve switching between different gear clutches but only changes the transmission control logic. The transmission remains in a specific gear, and the TCU cannot shift gears automatically; instead, the driver must shift gears manually. If the driver wants to drive in a lower gear, the engine speed increases significantly, enhancing the vehicle's acceleration capability. If the driver prefers to drive in a higher gear, the engine speed remains lower, making the vehicle more fuel-efficient and providing a more comfortable ride.

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Should You Shift to P Gear or Pull the Handbrake First When Parking an Automatic Car?

When parking an automatic car, it is acceptable to either shift to P gear or pull the handbrake first. However, before shifting to P gear, you must ensure that the car has come to a complete stop, otherwise it may damage the locking mechanism of the automatic transmission. You should never shift to P gear while the car is still in motion. P gear is the parking gear and, like N gear, can be used when parking. After shifting to N gear, there is no locking mechanism to secure the transmission gears, so the car can still move if the handbrake is not engaged. N gear is suitable for short stops without turning off the engine, such as when waiting at a red light. When you shift to P gear, the locking mechanism inside the transmission will secure the gears, effectively locking the wheels in place. In this state, even without the handbrake, the car cannot move. P gear is used when parking and turning off the engine. If you do not shift to P gear before turning off the engine, the car will not shut down properly.

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What Principle Does the Reversing Radar Operate On?

Reversing radar systems utilize ultrasonic signals, which are controlled by the microcomputer inside the reversing radar host. Through the process of transmitting and receiving signals by the probes, the system calculates the distance to obstacles by comparing the signal's round-trip time and then issues different alarm sounds via the alarm device. Below is a related introduction to the reversing radar system: 1. The reversing radar system consists of the reversing radar ECU, the reversing radar buzzer, and several (usually 4) reversing radar sensors installed on the (rear) bumper. If a rear camera is installed, it will provide an image of the rear area of the vehicle on the navigation screen. 2. When the vehicle is shifted into reverse gear, the reversing radar ECU uses ultrasonic sensors to monitor the area around the rear bumper. If an object is detected within the monitored area, the audible alarm device inside the instrument cluster will sound a warning. The system can detect relatively hard solid obstacles as well as objects like wire mesh and fences. The detection range of the two side sensors is an area 60cm from the corners of the bumper. When the detected distance is less than 20cm on the side or less than 30cm directly behind the center, the sound signal will become continuous to prevent a collision with the bumper.

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Can You Turn Off the Engine in Neutral (N) Gear for Automatic Transmission?

You cannot turn off the engine in Neutral (N) gear for automatic transmission vehicles. For safety reasons, an automatic transmission car must be shifted into Park (P) gear before turning off the engine. The correct procedure for turning off the engine is: 1. Press the brake pedal; 2. Shift into N gear; 3. Engage the handbrake; 4. Release the foot brake and ensure the vehicle does not move before shifting into P gear; 5. Complete the engine shutdown. Both P gear and N gear disconnect the engine and wheel transmission system from operation. The only difference is that when the engine is off, the vehicle can be pushed freely in N gear, while in P gear, the vehicle cannot move. N gear is one of the three standard gears in automatic transmission models, located between Reverse (R) gear and Drive (D) gear on the gearshift console. Essentially, it is the neutral gear in the transmission, designed to cut off power transmission between the input and output shafts inside the gearbox.

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What is the Working Principle of Automotive Circuits?

What are the consequences of crossing double white solid lines when changing lanes?

How to Deal with Excessive Coolant Consumption in New Cars?

Is a Manual-Automatic Transmission More Fuel-Consuming Than a Manual Transmission?

Should You Shift to P Gear or Pull the Handbrake First When Parking an Automatic Car?

What Principle Does the Reversing Radar Operate On?

Can You Turn Off the Engine in Neutral (N) Gear for Automatic Transmission?

Will Manually Closing an Electric Tailgate Cause Damage?

What are the signs of a car battery running out of power?

How to Open the 3 Series GT Spoiler?

How Long Does the Mandatory Traffic Insurance for New Cars Last?