What car brand uses the R logo?

Will the engine number change after replacing the engine?

After replacing the engine, the engine number will change. You need to bring the certificate of conformity of the new engine to the vehicle management office for registration. Introduction to engine numbers: The engine number is the engine model. The engine model is an identification code assigned by the engine manufacturer in accordance with relevant regulations, industry or enterprise practices, and the attributes of the engine, to identify a batch of identical products. It represents information such as the manufacturer, specifications, performance, features, technology, purpose, and production batch of the engine, including fuel type, number of cylinders, displacement, and brake power. The engine number consists of four parts, each with the following meanings: Front section: Includes the product series code, generation symbol, and local or enterprise code. Manufacturers can choose corresponding letters as needed, but they must be approved and registered by the industry standard regulatory body. Middle section: Composed of symbols representing the number of cylinders, cylinder arrangement, stroke, and cylinder diameter. Rear section: Composed of symbols representing structural features and usage characteristics. Tail section: Distinguishing symbol.

18

5

Share

Do China V diesel vehicles have three-way catalytic converters?

China V diesel vehicles are equipped with three-way catalytic converters. Not all vehicles have three-way catalytic converters; in earlier years, vehicles produced in China that did not meet the China II emission standards were not equipped with them. Composition of the three-way catalytic converter: A three-way catalytic converter generally consists of four parts: the shell, damping layer, substrate, and catalyst coating. Shell: Made of stainless steel to prevent oxide scale from falling off, which could clog the substrate. Damping layer: Composed of gaskets or wire mesh pads, it serves to seal, insulate, and secure the substrate. To protect the substrate from damage caused by vibration, thermal deformation, and other factors, the gasket is made of expanded mica and aluminum silicate fibers, bonded together with adhesive. Substrate: Made of honeycomb-shaped ceramic material, though many also use metal (including stainless steel) materials. Catalyst: Composed of precious metals such as platinum, rhodium, and palladium, sprayed onto the substrate to form the purifying agent. Lifespan of the three-way catalytic converter: The lifespan of a three-way catalytic converter is generally between 80,000 to 100,000 kilometers. The specific lifespan depends on the vehicle's usage conditions, and it is also related to the quality of the fuel used and the driving environment.

20

0

Share

What is the fuel tank capacity of the Volkswagen CC?

The Volkswagen CC has a total of 8 models, all with a fuel tank capacity of 66L. The vehicles are equipped with a 2.0-liter turbocharged engine, a 7-speed wet dual-clutch transmission, and all models feature front-wheel drive. Among vehicles in the same class, the Cadillac CT4 2022 model has a fuel tank capacity of 66 liters, the Taurus 2019 model has a capacity of 64.4 liters, and the Cadillac CT5 2022 model also has a capacity of 66 liters. During actual refueling, the amount of fuel may exceed the calibrated capacity. This is because the fuel tank capacity specified by the car manufacturer is measured from the bottom of the tank to the safe height, and there is additional space from the safe height to the tank opening. This space ensures that the fuel can expand when the temperature rises without overflowing the tank. If fuel is added up to the tank opening during refueling, the actual amount of fuel may exceed the calibrated tank capacity. To check the remaining fuel in the tank, drivers can observe the fuel gauge on the right side of the instrument panel, which is marked with E and F. When the needle is close to E, it indicates that the tank is nearly empty, and when it is near F, it means the fuel level is sufficient.

2

3

Share

Is the BMW 530 compliant with China VI emission standards?

BMW 530 is compliant with China VI emission standards. The China VI emission standards for motor vehicle pollutants refer to the standards formulated to implement the Environmental Protection Law of the People's Republic of China and the Air Pollution Prevention and Control Law of the People's Republic of China, aiming to prevent and control pollution from exhaust emissions of compression-ignition and gas-fueled spark-ignition engine vehicles, protect the ecological environment, and safeguard human health. The following are the implementation years of the emission standards: 1. China I standard, implemented nationwide on July 1, 2001, mainly imposes restrictions on carbon monoxide, hydrocarbons, and particulate emissions. 2. China II standard, implemented nationwide on July 1, 2004, requires a 30% reduction in carbon monoxide and a 55% reduction in hydrocarbons and carbon oxides. 3. China III standard, implemented nationwide on July 1, 2007, requires a 40% reduction in total pollutant emissions compared to China II. 4. China IV standard, implemented nationwide on July 1, 2010, requires a 50% to 60% reduction compared to China III. 5. China V standard, implemented nationwide on January 1, 2018, requires a 25% reduction in nitrogen oxide emissions compared to China IV. 6. China VI standard, with China VIa implemented nationwide on July 1, 2020, and China VIb implemented nationwide on July 1, 2023.

10

0

Share

What is the purpose of the dotted line on the rearview mirror?

The dotted line on the rearview mirror is primarily used to observe situations at a farther distance on the side of the vehicle. Inside the dotted line, the curvature radius is larger, allowing observation of closer areas on the side of the vehicle. The combination of these two curvatures helps minimize blind spots in the rearview mirror. The small area of the dual-curvature rearview mirror also features a small indicator, which serves as a "side blind spot warning system." When there is a potential collision risk on the side of the vehicle, this indicator will flash to alert the driver. If the body of the following vehicle has entered the danger zone to the left of the dotted line on the rearview mirror, it indicates that the following vehicle is very close to your car, and you should not change lanes at this time. If the left side of the following vehicle's body is close to the boundary between the safe zone and the danger zone, you should be extra cautious, but signaling and turning at this point is still safe. If the following vehicle is in the safe zone, located in the center of the rearview mirror, it means the distance between your car and the following vehicle is about 15-20 meters, and you can safely perform turning maneuvers. Functions of the dotted rearview mirror: The rearview mirror with a dotted line is called a dual-curvature rearview mirror. It is divided into two main sections by the dotted line. The dotted line is located on the outer 1/3 of the mirror, while the inner section is the normal reflection zone, also known as the standard rearview mirror area. This area provides a nearly 1:1 reflection with minimal distortion. The outer section has a higher curvature, offering a wider field of view, which helps drivers better adjust their vehicle positioning. For example, during reversing, the wider curvature allows for a broader view of the reversing area. The entire dual-curvature rearview mirror acts like a small convex mirror, providing the driver with a wider field of vision. Since dual-curvature rearview mirrors are generally more compact, they help reduce wind resistance and improve fuel efficiency. Additionally, the warning system on these mirrors alerts the driver when there is a potential hazard on the side of the moving vehicle, prompting the driver to take evasive action. Most vehicles also come equipped with a rearview mirror heating function. In special weather conditions, activating this feature prevents fogging and ensures clear visibility. During heavy rain, applying a rain repellent to the rearview mirror can create a thin film on the surface, allowing water droplets to slide off quickly. This repellent can also be used on the windshield. It's important to avoid scratching the rearview mirror, as its plastic housing is difficult to repaint. When parking on the roadside, folding the rearview mirrors is recommended.

1

5

Share

What to Bring for the Free First Maintenance of a New Car?

Items required for the first maintenance include: driver's license; maintenance manual; vehicle registration book; warranty manual; owner's ID card; vehicle's driving license; vehicle's purchase invoice. Take these to the designated first maintenance facility for the service. Important note: Make an appointment with the 4S shop in advance. The first maintenance refers to the initial service after a new car has been driven. The specific timing varies by vehicle, typically after driving 1,000 to 3,000 kilometers. It's essential to attend the first maintenance on time—neither early nor delayed. Completing the first maintenance marks the end of the car's break-in period, allowing the vehicle to be driven at standard loads and normal speeds as required. The first maintenance time is calculated from the date of vehicle pickup. There are two indicator values for the first maintenance: mileage and time. Whichever comes first serves as the standard. First maintenance tasks include: changing engine oil and oil filter, cleaning the air filter, checking various fluid levels for normalcy, inspecting the generator belt and wiper blades for damage, checking tire pressure for normalcy, and examining tires for damage or bulges. Time required: Completing all tasks takes approximately 2 hours. The most crucial part of a new car's first maintenance is changing the engine oil and oil filter. When replacing the oil, the oil filter must also be changed. The choice of oil must refer to the "Vehicle Usage and Maintenance Manual," as different vehicle models require different oil specifications. Maintenance precautions: Do not rinse the interior of the car with water: Many people clean their cars during holidays, washing the body with water and wiping it with a cloth. It's important to note that the car's interior should not be directly washed with water. If the floor mats are dirty, use a vacuum cleaner or take them out to brush and clean with detergent, dry them, and then put them back. There are many drainage holes under the rubber mats on the cabin floor. If water enters, it won't dry but will flow through these holes to areas like the transmission, causing corrosion. The best practice is to vacuum clean and then wipe with a cloth to prevent water accumulation. Do not mix different brands of antifreeze: When the car is low on antifreeze, it's recommended to drain the existing antifreeze and refill with the same brand from the start. Different brands of antifreeze have varying chemical properties, and mixing them can cause the corrosion inhibitors to react negatively. Different brands use different corrosion inhibitors, so avoid mixing them to prevent unnecessary issues. Do not lubricate wheel bolts and nuts: When bolts on a car rust, they are often oiled to function properly again. Some people apply lubricant to wheel bolts and nuts to prevent rust, but this can pose safety risks. At high speeds, lubricated bolts and nuts may loosen or even fall off, leading to driving malfunctions. Do not press the accelerator when starting an EFI car: The starter of an Electronic Fuel Injection (EFI) car differs from that of a conventional car. Its fuel injection control system can automatically adjust the fuel supply based on the starter's temperature and working conditions, ensuring a smooth start.

5

1

Share

What car brand uses the R logo?

Will the engine number change after replacing the engine?

Do China V diesel vehicles have three-way catalytic converters?

What is the fuel tank capacity of the Volkswagen CC?

Is the BMW 530 compliant with China VI emission standards?

What is the purpose of the dotted line on the rearview mirror?

What to Bring for the Free First Maintenance of a New Car?

How to Read a Spark Plug Heat Range Chart?

How many kilometers can you drive without repairing an engine that burns oil?

How many points will be deducted for not using lights properly in case of a road breakdown?

Can a driver's license be purchased directly?