···
Log in / Register

What principles must be followed when driving a motor vehicle?

6Answers
EvelynLynn
07/29/2025, 01:46:44 AM

Driving a motor vehicle must comply with the "Road Traffic Safety Law". Follow traffic rules: Traffic rules must be observed, obey the command and inspection of traffic police, maintain traffic order, and ensure traffic safety and smoothness. Drivers must be aware of the movement of vehicles and pedestrians, especially when passing through busy streets, villages and towns, and dangerous sections, and be prepared to stop at any time. When passing through intersections, follow the principle of "look first, slow down second, and pass third", and do not park illegally to obstruct traffic. Other precautions: Do not smoke or chat while driving, do not drive when sleep-deprived, do not overload or force overtaking. When meeting another vehicle, always practice "yielding three firsts", close high beams when meeting at night, drive along curves when going uphill, do not coast with the engine off when going downhill, and do not drive under the influence of alcohol.

Was this review help?
101
Share
Hugo
08/12/2025, 04:13:23 PM

I've been driving a taxi for ten years, and my deepest realization is that safety must always come first when driving. Being on the road every day, I've noticed many drivers forget the most basic principles: you must drive on the right side of the road and not take the wrong way for convenience; at intersections, you must clearly see the traffic lights and never run a red light; when changing lanes, signal in advance and observe, don't suddenly cut in; and always yield to pedestrians. I remember one time when an unexpected situation arose, and it was only because I strictly adhered to the principle of maintaining a safe distance that I avoided a rear-end collision. These rules may seem simple, but they can be life-saving in critical moments.

Was this review help?
4
Share
Expand All
LeCassandra
08/12/2025, 04:15:19 PM

Having taught driving at a driving school for five years, I repeatedly emphasized that the core of traffic rules is safe driving. Students often ask me why they must follow so many regulations? It's essentially about protecting lives. Driving on the right avoids collisions, lane discipline maintains order, traffic lights direct the flow, and yielding to pedestrians reflects civility. Once, a student ignored the yielding principle and caused an accident, leading to deep regret. I recommend everyone silently recite 'safety first' these four words before starting the car each time.

Was this review help?
18
Share
Expand All
StAva
10/03/2025, 03:41:57 AM

Since I started driving my kids to and from school, I've been particularly mindful of traffic rules. The principles are simple: go on green, stop on red, yield to pedestrians at crosswalks, and check for oncoming traffic when turning. Driving on the right is fundamental—don't follow those who recklessly drive against traffic to save time. Lane discipline also matters; don't hog the fast lane while crawling on highways. One easily overlooked rule is maintaining a safe following distance—I keep at least a three-second gap in rain or snow. By following these rules, our family can travel safely and return home unharmed.

Was this review help?
10
Share
Expand All
AmyRose
11/16/2025, 09:33:22 PM

When learning to drive, my instructor taught me the three iron rules for motor vehicles: obey traffic rules, ensure safety, and be civilized. Specifically, you must drive on the right side of the road, use different lanes based on speed, and strictly follow traffic light signals. The key is to remember the right-of-way rules: turning vehicles yield to those going straight, side roads yield to main roads, and you must stop for pedestrians at crosswalks. After internalizing these principles, I once encountered a child suddenly darting into the road, and my instinctive reaction to brake prevented a tragedy.

Was this review help?
15
Share
Expand All
McGianna
01/06/2026, 11:09:56 PM

When I first got my driver's license, I was extremely nervous. Now that I'm more experienced, I truly understand the necessity of traffic principles. Safety is the core priority—for example, I proactively reduce speed at night due to poor visibility. Keeping to the right lane is effortless and worry-free; once, I got distracted by navigation and nearly collided with an oncoming truck. Traffic signals must never be ignored—I learned my lesson after being fined for running a yellow light. When driving in lanes, I always maintain at least two car lengths from the vehicle ahead to allow reaction time. Following traffic rules actually improves efficiency—yielding instead of cutting in often saves more time.

Was this review help?
12
Share
Expand All
More Q&A

Where is the battery located in a Mercedes S350?

One is located on the right side of the engine compartment, which is the starter battery, and another is on the right side of the trunk, which is the vehicle battery. Another type is the maintenance-free battery located under the seat. This type of battery consumes very little electrolyte and basically does not require distilled water replenishment during its service life, making it more convenient to use. Here is some extended information: 1. Mercedes-Benz: Mercedes-Benz is a German automotive brand renowned for luxury and high performance, headquartered in Stuttgart, Germany, and a member of the Daimler AG. Its product line includes various passenger cars and medium-to-large commercial vehicles. 2. Standard configuration of the S350: Automatic climate control system with dust and activated carbon filters, push-button ignition, seat belt tensioners/force limiters for the front passenger and outer rear passengers, COMAND control and display system, cruise control with speed limit function via variable speed limiter, electrically adjustable steering column with easy-entry function, electric seats with lumbar support, headlight delay-off function, speed-sensitive variable power steering, and PRE-SAFE system.
104
Share

Cold Cranking Amps (CCA) Value of Car Battery?

The so-called Cold Cranking Amps (CCA) value refers to: Under a specified low-temperature condition (usually set at 0℉ or –17.8℃), the amount of current a battery can continuously deliver for 30 seconds before the voltage drops to the limit discharge voltage. For example: If a 12-volt battery case is marked with a CCA value of 600, it means that at 0°, before the voltage drops to 7.2 volts, it can continuously provide 600 amperes (Ampere) of current for 30 seconds. This concept is introduced to emphasize the battery's discharge capability, thereby ensuring reliable and genuine energy supply for starter usage. We can see markings like "110Ah/450A" on many foreign starter experiment reports and drawings, which means: The starter can meet the engine cold start test requirements using a 110Ah battery with a CCA of 450A in a –17.8℃ environment. If we only pay attention to the battery capacity of 110Ah and ignore the cold start current capability, following the same specifications for the engine cold start test, our test is very likely to fail. The result might be requiring the starter manufacturer to replace it with a higher power level starter product or increasing the battery capacity to solve the cold start problem.
107
Share

What are the functions of the engine lubrication system?

The functions of the engine lubrication system: It can form an oil film contact between moving parts, utilize the fluidity of the oil for cooling, use the circulating oil for cleaning, employ the viscosity of the oil for sealing, provide anti-rust protection, and additionally, it has vibration absorption effects. The oil can absorb vibrations between moving parts, thereby reducing noise and extending the engine's service life. Below are the five main functions of the lubrication system: 1. Lubrication: The oil forms an oil film contact between moving parts, reducing friction resistance and power loss, and minimizing wear on components. 2. Cooling: Utilizing the fluidity of the oil, it carries away some of the heat from engine parts, preventing excessive temperatures that could lead to burning or damage. 3. Cleaning: The circulating oil carries away metal particles worn off during engine operation, dust inhaled from the atmosphere, and some solid substances produced by fuel combustion, preventing the formation of abrasives between parts that could accelerate wear. 4. Sealing: Using the viscosity of the oil, it adheres to the surfaces of moving parts, improving the sealing effect and reducing gas leakage. 5. Anti-rust: The lubricating oil film adheres to metal surfaces, isolating air and water, providing anti-rust and anti-corrosion protection.
108
Share

What should I do if someone scratched my car and drove away?

If another vehicle scratches your car and flees the scene, you should promptly report it to the public security authorities, who will investigate and handle the matter. The hit-and-run driver will bear full responsibility. A hit-and-run in traffic refers to the act of a party involved in a road traffic accident driving away or abandoning their vehicle at the scene to evade legal consequences. For minor scratch accidents, the nature of the incident must be determined through investigation by the traffic police department. More details are as follows: 1. Fleeing after causing a traffic accident refers to the act of the perpetrator running away after the accident to evade legal responsibility. 2. Fleeing after causing a traffic accident that does not constitute a crime may result in a fine of 200-2000 yuan, 12 penalty points, and detention for up to 15 days. 3. Fleeing after causing a traffic accident that constitutes a crime will lead to criminal liability and permanent revocation of the driver's license. 4. The standard for a traffic accident to constitute a crime: being mainly or fully responsible for the accident, causing serious injury to one or more persons or being unable to compensate for damages exceeding 300,000 yuan; or causing the death of three or more persons with equal responsibility. Minor scratches should not meet the above conditions.
119
Share

What is the normal oil temperature?

An oil temperature of 100 degrees is normal. The operating temperature of engine oil is generally between 70 and 90 degrees. During aggressive driving, the engine temperature may rise slightly under high load conditions, reaching around 100 to 110 degrees. If the oil temperature remains above 120 degrees for an extended period, it is necessary to conduct a timely inspection, as it may cause varying degrees of damage. The effects of excessively high oil temperature include: 1. Affecting the viscosity of the oil, which not only leads to severe wear of some engine components but may also cause cylinder scoring or bearing seizure in severe cases; 2. Causing the fuel injected into the cylinder to ignite prematurely, resulting in insufficient compression and reduced power.
106
Share

Why are 91W tires more expensive than 91V tires?

The price of a tire cannot be judged solely by its speed rating; it requires a comprehensive consideration of various aspects of the tire, such as the brand, type, and applicable wheel size. Often, 91W tires are designed for larger wheel sizes, and larger wheels indicate higher performance requirements for the tire, which can make them more expensive. More details are as follows: 1. The speed rating of tires can be divided into different levels from A to Z, with level A further subdivided into eight different levels from A1 to A8. V indicates that the tire can withstand a maximum speed of 240 km/h, while W indicates a maximum speed of 270 km/h. Generally, the further back the letter representing the tire's speed rating is in the alphabet, the better the tire's performance. 2. Common speed ratings mainly range from Q (160 km/h) to Y (300 km/h), and tires with different speed ratings have different applications: Q-T level tires (maximum speed 160-190 km/h) are suitable for small and compact cars; U-V level tires (maximum speed 200-240 km/h) are suitable for mid-to-high-end cars; while W-Z level tires (maximum speed 240-300 km/h) offer better performance and are therefore more commonly used in large luxury cars and supercars.
111
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.