What are the causes of abnormal noise in car brake calipers?

Can I obtain a D license without upgrading from a C1 license?

You cannot obtain a D license without upgrading from a C1 license. Upgrading from C1 to D license: Time restriction: As long as one year has passed since the initial application for the C1 license, you can apply for a motorcycle D license. In other words, if the probationary period of the C1 license has ended, you can upgrade to a D license. Demerit point restriction: According to relevant regulations, if you already hold a motor vehicle driver's license and want to add another vehicle class, you must not have accumulated 12 or more demerit points in the previous scoring cycle. If you have accumulated 12 or more points, you cannot upgrade to another vehicle class. Therefore, if your C1 license did not accumulate 12 or more demerit points in the previous scoring cycle, you can upgrade to a motorcycle D license. Application process: Bring your driver's license issued in your registered residence, ID card, medical examination certificate (some are provided by the driving school or vehicle management office), 4-8 one-inch white-background color ID photos, and fill out the "Motor Vehicle Driver's License Application Form".

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Can You Drive After Drinking a Glass of Foreign Liquor?

You cannot drive after drinking a glass of foreign liquor. Penalty standards for drunk driving: Blood alcohol content between 20mg/100ml and 80mg/100ml is considered drunk driving; blood alcohol content at or above 80mg/100ml is considered intoxicated driving. Drunk driving: Driving under the influence of alcohol in a non-commercial vehicle results in a fine, 12 demerit points, and a 6-month license suspension; driving under the influence in a commercial vehicle results in a fine, 12 demerit points, up to 15 days of detention, and a 5-year ban on obtaining a driver's license. Intoxicated driving: Driving while intoxicated in a non-commercial vehicle leads to license revocation, a 5-year ban on obtaining a new license, possible detention, and fines; driving while intoxicated in a commercial vehicle leads to license revocation, a 10-year ban on obtaining a new license, a lifetime ban on driving commercial vehicles, possible detention, and fines.

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What is the recommended speed for a new car on the road?

New cars should be driven below 100 km/h on the road. Reasons for driving a new car at low speeds: A new car should not exceed 100 km/h, especially if the driver obtained their license last year and has little experience on the road, let alone long-distance driving. According to the regulations on the application and use of motor vehicle driving licenses, the first 12 months after a driver initially obtains a motor vehicle driving license is considered the probationary period. Precautions during the break-in period of a new car: Avoid emergency braking as much as possible. Emergency braking not only impacts the braking system during the break-in period but also increases the load on the chassis and engine. It is best to avoid emergency braking within the first 300 kilometers of driving. Do not overload the car. Running a new car at full capacity during the break-in period can damage the components. Therefore, within the first 1,000 kilometers, the load should generally not exceed 75%-80% of the rated capacity. When driving on highways during the break-in period, the engine will operate continuously for longer periods, which can lead to increased wear. It is recommended to maintain a speed of 120 km/h with the engine speed not exceeding 3,000 RPM. If the engine speed exceeds 3,000 RPM, consider reducing the speed to keep it within this limit. During long-distance drives, take breaks at service areas for about ten minutes. Avoid changing the oil too early. The initial oil in a new car is specifically designed for the break-in period, with low viscosity, excellent heat dissipation, cleaning, and oxidation resistance properties. Some manufacturers even add grinding agents to aid the break-in process. Therefore, the oil should only be changed according to the manufacturer's recommended schedule, not prematurely.

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Is Greasing Considered as Car Repair?

Greasing is used for lubrication in car repair. Grease is applied to key positions: Steering ball joints, grease nipples on the front axle and rear axle, universal joints on the drive shaft, etc. Car maintenance: Refers to the preventive work of regularly inspecting, cleaning, supplying, lubricating, adjusting, or replacing certain parts of the car, also known as car servicing. Grease: The common name for calcium-based lubricating grease. The origin of the name likely comes from the earliest type of lubricating grease, which was calcium-based, yellow in appearance, resembling lard, hence people vividly called it "grease". Nowadays, lubricating grease has developed into a variety of multi-series lubrication products.

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What is the introduction of the L gear in Nissan Sylphy?

The L gear in Sylphy refers to the low gear mode of the transmission. Low gear mode: Low gear (Low), when the vehicle is going downhill, shift into low gear to reduce brake application; when the vehicle is going uphill, shifting into low gear provides more power for climbing. In this gear, the transmission remains in 1st gear without shifting up, and can be used in situations such as slopes. It also provides some braking function when going downhill. Other gears: P gear is the parking gear: when parking, the gear lever must be moved to the P position. D gear is the drive gear: used for normal driving, the car can automatically shift between forward gears. R gear is the reverse gear: used when reversing. The R gear is usually next to the P gear, and when the R gear is engaged, the vehicle's reverse camera will appear, allowing smooth reversing. N gear is equivalent to the neutral gear in a manual transmission: used for short waits. The N gear is generally in the middle position of the gear lever and can be used when waiting at traffic lights.

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Can Four-Wheel Drive Vehicles Not Be Towed?

Four-wheel drive vehicles cannot be towed. There are three main towing methods: Tow rope towing, lift towing, and flatbed towing. Four-wheel drive vehicles are also categorized into full-time four-wheel drive, part-time four-wheel drive, and on-demand four-wheel drive. Towing methods: Tow rope towing involves providing power to the towed vehicle through a tow rope, usually requiring a driver in the towed vehicle to control the steering wheel. If the towing vehicle slows down, the towed vehicle also needs to brake to decelerate. Since this method requires a driver in the towed vehicle, traffic police usually do not choose this method when towing illegally parked vehicles. Tow rope towing is also not recommended for four-wheel drive vehicles because if the vehicle is not started, the steering wheel cannot be turned, and the brake assist does not work. Forced towing may cause the anti-theft module and transmission to lock up, damaging the car. Lift towing is often the method chosen for towing illegally parked vehicles. A tow truck lifts the two front wheels of the towed vehicle off the ground, relying on the rear wheels to roll. Since four-wheel drive vehicles have all four wheels turning together, coordinated by the transmission, central differential, and drive shaft, if only the rear two wheels are turning, these three major components are not properly coordinated, which can cause damage to the drivetrain, central differential, and other parts. The damage to full-time four-wheel drive vehicles is particularly severe. Fortunately, many tow trucks are now equipped with towing assist wheels, which are fixed under the wheels so that neither the front nor rear wheels turn during towing, minimizing impact on the vehicle. Flatbed towing involves lifting the vehicle or using other methods to place it on a flatbed truck, effectively parking the vehicle on the truck. Since neither the front nor rear wheels turn, as long as the vehicle is securely fastened, there is basically no damage. Therefore, flatbed towing can be used for any vehicle, whether it is four-wheel drive or two-wheel drive.

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What are the causes of abnormal noise in car brake calipers?

Can I obtain a D license without upgrading from a C1 license?

Can You Drive After Drinking a Glass of Foreign Liquor?

What is the recommended speed for a new car on the road?

Is Greasing Considered as Car Repair?

What is the introduction of the L gear in Nissan Sylphy?

Can Four-Wheel Drive Vehicles Not Be Towed?

How Many Spark Plugs Does a Four-Cylinder Engine Have?

What Causes Knocking Sounds When Accelerating the Engine?

Why is the voltage of a new car battery low?

Should I Purchase New Car Insurance from a 4S Shop or on My Own?