What is the solution for Passat overheating?

What are the differences between National III and National IV standards for trucks?

Here are the differences between National III and National IV standards for trucks: 1. Different environmental labels: (1) The environmental label for National III trucks indicates compliance with the National Phase III Motor Vehicle Pollutant Emission Standards. (2) The environmental label for National IV trucks indicates compliance with the National Phase IV Motor Vehicle Pollutant Emission Standards. 2. Different registration periods: (1) National III trucks were registered before 2008. (2) National IV trucks were registered after 2008. 3. Different motor vehicle registration certificates: (1) The motor vehicle registration certificate for National III trucks shows compliance with the National Phase III Motor Vehicle Pollutant Emission Standards. (2) The motor vehicle registration certificate for National IV trucks shows compliance with the National Phase IV Motor Vehicle Pollutant Emission Standards.

14

1

Share

Will Points Be Deducted for Taking the Wrong Route in a Roundabout?

Points will be deducted. Driving the wrong way in a roundabout will result in a 3-point deduction. Here is some extended information about roundabouts: I. Things to Know When Entering and Exiting a Roundabout: 1. Vehicles entering the roundabout must yield to those exiting. 2. Vehicles in the inner lane of the roundabout should merge into the outer lane before exiting. If an inner lane vehicle exits directly without merging and collides with an outer lane vehicle, the inner lane vehicle will be fully responsible for continuous lane changes. 3. When entering the roundabout, there is no need to use the turn signal. Observe the traffic flow, confirm it is safe, and then merge into the roundabout. Before exiting, activate the right turn signal in advance, then exit the roundabout and enter the straight lane. II. Advantages of Roundabouts: 1. They can reduce waiting time caused by traffic signals. Compared to intersections with traffic lights, roundabouts save more resources. 2. They have a certain adaptive capacity regardless of the traffic volume from different directions. Although heavy traffic may cause some congestion, it is unlikely to result in a complete standstill. 3. They can reasonably distribute traffic flow even at intersections with more than four crossings where the angles between roads are not around 90 degrees, whereas signal settings would be more challenging in such cases.

16

4

Share

What are front and rear parking radars?

Front and rear parking radars, commonly referred to as front parking assist, are safety auxiliary devices used during parking or reversing. Functions of front and rear parking radars: They are used to detect obstacles in front of or behind the vehicle when parking or making a U-turn, providing the driver with necessary information such as the distance, direction, and area of the obstacle. They also emit an alarm when approaching an obstacle. Front and rear parking radars offer significant assistance to drivers during parking or when following in congested traffic, helping to avoid unnecessary accidents. Therefore, front and rear parking radars are an important safety auxiliary device. Principle of front and rear parking radars: Parking radars primarily utilize ultrasonic technology. The sensors mounted on the rear bumper of the vehicle send out ultrasonic waves, which reflect off obstacles and are received back by the sensors. This allows the system to calculate the actual distance between the vehicle and the obstacle, which is then relayed to the driver, making parking and reversing easier and safer. Parking radars can provide alerts through three methods: LCD display, voice prompts, or audible tones. The transmission methods include wireless and wired connections.

19

4

Share

What does regular maintenance at a 4S shop include?

Engine oil, oil filter, spark plugs, brake fluid, power steering fluid, transmission fluid, coolant, tire rotation, timing belt, air filter, cabin air filter, fuel filter, etc. Regular car maintenance mainly involves the replacement and inspection of some wear-prone components, as well as the replacement of various fluids. The intervals for regular car maintenance are as follows: 1. A minor service at 10,000 kilometers includes engine oil and oil filter replacement (oil filter, air filter, and fuel filter). A medium service is at 20,000 kilometers, and a major service is performed every 40,000 kilometers. The 20,000-kilometer service includes the replacement of engine oil, oil filter, air filter, and cabin air filter, along with some routine inspections. 2. Oil filter: Proper installation of the oil filter prevents impurities from mixing into the engine oil during use, avoiding wear on moving parts and blockages in oil passages. 3. Fuel filter: Correct installation of the fuel filter prevents impurities and moisture mixed into the gasoline during storage, transportation, and refueling from causing cylinder wear. To ensure optimal engine performance, the replacement interval for the fuel filter is generally 20,000 kilometers or 1 year.

1

2

Share

What is the minimum ground clearance of the new Levin?

The minimum ground clearance of the new Levin is 105mm. The minimum ground clearance of the new Levin refers to the distance between the lowest point (excluding the wheels) and the supporting plane, which indicates the vehicle's ability to pass over obstacles such as rocks and tree stumps without collision. A higher ground clearance for the new Levin means better off-road capability, but if the ground clearance is too high, the stability at high speeds may decrease. The new Levin is positioned in the compact sedan segment, featuring a four-cylinder engine, a 4-door, 5-seater sedan body type, and a gasoline powertrain. The dimensions of the new Levin are 4640mm in length, 1780mm in width, and 1455mm in height, with a wheelbase of 2700mm. Generally, the ground clearance for sedans ranges between 110mm and 150mm, while SUVs have a ground clearance between 200mm and 250mm. However, the ground clearance of the new Levin is not static; it also depends on the load condition. Therefore, changes in ground clearance should be considered based on the load variations of the new Levin. When selecting a vehicle, ground clearance can be one of the reference factors. The choice should depend on the vehicle's intended use and the road conditions. For urban areas with well-paved roads, a vehicle with lower ground clearance can enhance stability and comfort. If the vehicle is frequently used in rural areas or regions with poor road conditions, a higher ground clearance may be preferable to avoid damage to the undercarriage and improve off-road performance.

14

4

Share

Can 98 and 95 Octane Gasoline Be Mixed?

98 and 95 octane gasoline can be mixed. Here is an introduction to relevant knowledge about gasoline: 1. New regulations on gasoline use: Since the nationwide implementation of the China V emission standard, the fuel grades have been redefined, canceling the original 93 and 97 octane gasoline and replacing them with 92 and 95 octane gasoline, while adding 98 octane gasoline. 2. Precautions for mixing gasoline: Mixing gasoline should only be done in emergencies and not for prolonged periods, as prolonged use of mixed gasoline can easily damage the car engine. 95 octane gasoline indicates that its octane content is 95%, and 98 octane gasoline has an octane content of 98%. The grade of fuel to be added to a car is determined by the compression ratio of the car engine's cylinders.

11

1

Share

What is the solution for Passat overheating?

What are the differences between National III and National IV standards for trucks?

Will Points Be Deducted for Taking the Wrong Route in a Roundabout?

What are front and rear parking radars?

What does regular maintenance at a 4S shop include?

What is the minimum ground clearance of the new Levin?

Can 98 and 95 Octane Gasoline Be Mixed?

How Long Does Headlight Restoration Fluid Last?

Why Does a Car Engine Sound Louder in Winter?

How to Check Tire Manufacturing Date?

Where is the first aid kit located in a car?