Is 5w30 or 5w40 better for the Verna?

Does the Mazda3 Axela Not Come with Tire Pressure Monitoring?

The Mazda3 Axela does not come equipped with a tire pressure monitoring system across all its variants. To enhance driving safety and peace of mind, it is recommended to install an aftermarket tire pressure monitoring system. Relevant details are as follows: 1. The tire pressure monitoring feature is standard in most mid-to-high-end vehicle models, yet many base versions lack this system. It can be retrofitted later, which poses no harm and instead safeguards driving safety. Moreover, with national regulations mandating the compulsory installation of tire pressure monitoring systems, it is evident that equipping such systems is an inevitable trend. 2. As the component of a vehicle that directly contacts the ground, tires bear multiple performance aspects such as driving force and braking force. The tire pressure monitoring system serves not only as an active safety feature to prevent blowouts caused by excessively high or low tire pressure but also extends tire lifespan, maintains fuel efficiency, and reduces wear on the suspension system. Therefore, the tire pressure monitoring system is crucial for driving safety.

4

1

Share

Where is the Certificate Core Number?

For the old version of the driver's license, the certificate core number is located at the bottom of the supplementary page, while for the new version, it is placed on the back of the main page. Additional information is as follows: 1. Driver's License: A driver's license (full name: Motor Vehicle Driver's License), also known as a "driving license," is a document issued by the government transportation department to individuals who are qualified to drive, usually in the form of a card. To obtain a driver's license, one must meet the minimum age requirement and pass a driving test. The driver's license typically specifies the types of motor vehicles the holder is permitted to drive, such as motorcycles, passenger cars, trucks, buses, etc. 2. Methods to Query the Certificate Core Number: The certificate core number of the driver's license can be checked online. After binding in the Alipay City Services, you can query the driver's license information; it can also be queried after registering on the local traffic management website; additionally, you can visit the vehicle management office counter with your ID card and driver's license to inquire.

9

1

Share

What does the faucet-like light in a car indicate as a fault?

The faucet-like light in a car is the engine fault light. Generally, when the engine fault light is on, it indicates a problem with the car's engine or surrounding components. Below are the reasons why the engine fault light may illuminate: 1. Poor fuel quality: Most car owners have experienced this—shortly after refueling, the engine fault light on the dashboard comes on. This is usually due to filling up at an unregulated gas station with poor-quality fuel, causing incomplete combustion of the air-fuel mixture during engine operation and triggering the engine fault light. This does not affect driving safety but may harm the engine to some extent. 2. Oxygen sensor failure: Cars are equipped with two oxygen sensors, one before and one after the three-way catalytic converter. The front oxygen sensor detects the air-fuel ratio under different engine conditions, and the ECU adjusts the fuel injection amount and calculates the ignition timing based on this signal.

13

2

Share

How Long Does It Take to Polish and Wax a Car?

Car waxing is a common maintenance method. The time required for waxing generally depends on the method and technique used. Typically, mechanical waxing at a beauty shop takes about one and a half hours. If polishing and waxing are combined, the time will be extended to approximately three hours. Benefits of Car Polishing and Waxing: 1. Waterproofing Effect: Reduces watermarks, dark spots, rust, and damage on the paint surface. 2. Anti-Aging Effect: Reduces UV damage to the paint surface and extends the life of the paint. 3. Gloss Enhancement: Improves the smoothness of the car paint to varying degrees, making the body color more vibrant. 4. Anti-Static Effect: Reduces damage to the car paint caused by friction with dust, wool fabrics, synthetic fibers, etc., in the air. 5. Anti-Corrosion Effect: Effectively isolates acid rain and acid mist from damaging the car paint.

12

0

Share

Why does BYD DM-i not have a transmission?

BYD's DM-i technology is an improvement on Honda's i-MMD technology as pure electric vehicle technology continues to mature, relying more on batteries and electric motors, thus eliminating the transmission. Here is the relevant introduction from BYD: 1. It can meet the demand: If BYD needs rapid acceleration at high speeds, the electric motor will cooperate to drive, which can also meet the demand, but the efficiency of the motor will decrease at high speeds, making it difficult for DM-i technology to accelerate again at high speeds. 2. Economy: BYD is more suitable for urban use, and can also handle high-speed long-distance driving when necessary, but it does not meet the demand for aggressive driving. If long-term high-power driving conditions are required, such as prolonged ultra-high-speed driving, DM-i technology cannot handle it. 3. Adaptation to normal driving: Basically, DM-i technology vehicles will enter the engine direct drive state only when the speed is above 80. According to the standards designed for highways and roads, there cannot be large slopes at speeds above 80 km/h, and the speed cannot be maintained above 80 km/h when climbing large slopes, so this technology can adapt to normal driving needs without any problems.

12

5

Share

How to Determine When to Replace a Motorcycle Battery

Determining whether a car battery needs replacement can be done by examining the battery's appearance, checking the power indicator window, and measuring the battery voltage. Detailed methods are as follows: 1. Inspect the battery appearance: Carefully observe both sides of the car battery for noticeable swelling, deformation, or bulging. Check around the battery terminals for white or green powdery substances, which are battery oxides. High-quality or new batteries typically don't develop these oxides easily. Their appearance indicates the battery's performance is beginning to deteriorate. 2. Check the power indicator window: Statistics show over 80% of maintenance-free batteries have power indicator windows, usually displaying three colors: green, yellow, and black. Green indicates sufficient charge, yellow means slightly discharged, and black signals near failure requiring replacement (refer to battery label instructions). However, this method is only a reference - owners should combine it with other methods for comprehensive assessment. 3. Measure battery voltage: Use a battery tester or multimeter to measure voltage. Normally, a battery's no-load voltage should be around 13 volts, load voltage shouldn't drop below 12 volts, and starting voltage shouldn't be lower than 9.5 volts. Low voltage may cause difficult or failed engine starts.

20

2

Share

Is 5w30 or 5w40 better for the Verna?

Does the Mazda3 Axela Not Come with Tire Pressure Monitoring?

Where is the Certificate Core Number?

What does the faucet-like light in a car indicate as a fault?

How Long Does It Take to Polish and Wax a Car?

Why does BYD DM-i not have a transmission?

How to Determine When to Replace a Motorcycle Battery

What Happens When a Steel Wool Ball is Inserted into a Car's Exhaust Pipe?

Why does the car start and then automatically shut off?

Will the Driving Test (Subject 2) Be Conducted in the Rain?

How many days does it take to check traffic violation results in Dongguan?