Can a 4S shop perform PDI without the customer present?

What to Do If You Fail the Physical Examination for License Renewal?

If you fail the physical examination for driver's license renewal, there is no alternative but to wait until the affected part of your body recovers to pass the exam. Below are the relevant details: 1. According to the "Regulations on the Application and Use of Motor Vehicle Driver's Licenses": Drivers must apply for license renewal at the vehicle management office within 90 days before the license expires. 2. When applying for license renewal: The driver needs to present the original driver's license, original ID card, three personal photos, and a physical examination certificate. The physical examination certificate must be issued by a medical institution at or above the county level. 3. After obtaining the driver's license: Motor vehicle drivers can only drive vehicles after obtaining the license. The initial license is valid for 6 years, after which the driver must apply for renewal at the vehicle management office. Holders of AB-type licenses must undergo annual reviews, while other license types only require renewal upon expiration.

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Can Car Repairs Be Covered by Insurance?

Normal car repairs can be covered by insurance, depending on the type of insurance policy you have, the cause of the vehicle damage, and whether it falls within the scope of the contract. For vehicles that need to file an insurance claim, you must contact the insurance company before repairs. The insurance company will assess the damage to the vehicle and then compensate according to the actual loss. Below are situations where insurance companies may refuse compensation: No compensation for illegal driving: No compensation for drunk driving, driving without a license, or if the vehicle registration or driver's license has not been inspected. In these cases, the driver is not qualified to drive on the road and is in serious violation of traffic laws. Additionally, insurance companies will refuse compensation if the driver does not match the permitted vehicle type or drives on highways during the probationary period. No compensation for restarting after water damage: If the engine stalls after driving into deep water and the driver forcibly restarts it, causing engine damage, the insurance company may refuse compensation, considering the loss was caused by improper operation.

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What Causes the Car to Shake When Warm but Not When Cold?

There are several reasons why a car may shake when warm but not when cold: 1. Unstable fuel pressure: If you have already cleaned the engine carbon deposits, washed the throttle body, replaced the gaskets and spark plugs, but still notice the car shaking at idle, it is recommended to visit a 4S shop to check the fuel supply pressure and the intake pressure sensor. Abnormal fuel pump pressure or incorrect readings and poor performance of the intake pressure sensor can both cause the car to shake. The solution is to check the fuel pressure and replace the components if necessary. 2. Aging engine components: Worn engine mounts can also cause the car to shake. Engine mounts are essentially the shock absorption system of the engine, responsible for absorbing minor vibrations during operation. If the engine mounts are faulty, these vibrations can be transmitted to the steering wheel and the interior of the car.

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Why does the car make a squeaking sound when braking?

The squeaking sound when braking is the wear noise between the brake pads and the brake disc. It usually disappears after some driving and is considered normal. There are several reasons for brake noise: 1. New car break-in: The break-in of brake pads is an important process. It usually takes a few hundred kilometers of driving before the brakes feel smooth. Newly replaced brake pads need to break in to better integrate with the old disc. Initially, the brakes may feel very hard, and it typically takes a few hundred kilometers before they become smooth. 2. During driving: Small sand particles may get between the pads and the disc, causing friction and noise. This does not require repair; simply driving for a while will allow the small particles to fall out. For noise caused by incomplete break-in, some owners aggressively apply the brakes to speed up the break-in process. While this can quickly wear in the brakes, it also accelerates brake pad wear, effectively reducing their lifespan. It is recommended to drive for a while longer and observe the situation rather than forcing excessive wear on the brake pads.

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What is the purpose of automatic headlights in vehicles?

Automatic headlights are equipped with a photosensitive control system for the front headlights. The central intelligent control box determines changes in light brightness based on the light sensor, thereby controlling the automatic activation or deactivation of the headlights. Below is a related introduction: 1. Principle explanation: Electronic components such as photoresistors act as sensors (installed behind the rearview mirror inside the car, etc.), sending electronic signals to the ECU (Electronic Control Unit, similar to a computer's CPU) to inform it whether to turn the front headlights on or off, or to switch between high and low beams. The ECU then controls the headlights' operation and beam adjustment. 2. Photosensitive control system: Automatic headlights essentially install a photosensitive control system for the front headlights. The central intelligent control box uses the light sensor to assess changes in light brightness, thereby controlling the automatic activation or deactivation of the headlights.

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How often should engine oil be changed if the car is not driven much?

If the car is not driven frequently, the engine oil should be changed every six to eight months. Here is an introduction to engine oil: Classification of engine oil: Automotive engine oil is divided into three types: mineral oil, semi-synthetic oil, and fully synthetic oil. Mineral oil is the most basic and cheapest type of engine oil, generally classified as SJ or below, and is only suitable for low-end cars or some new vehicles. Functions of engine oil: Lubrication to reduce wear: There is rapid relative sliding between the piston and cylinder of the engine, as well as between the main shaft and bearing bush, which can easily cause wear. High-quality engine oil can form a sufficiently thick oil film between the two sliding surfaces, separating the relatively sliding parts to reduce wear. Cooling and temperature reduction: Engine oil can carry heat back to the oil tank and then dissipate it into the air, helping the radiator cool the engine.

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Can a 4S shop perform PDI without the customer present?

What to Do If You Fail the Physical Examination for License Renewal?

Can Car Repairs Be Covered by Insurance?

What Causes the Car to Shake When Warm but Not When Cold?

Why does the car make a squeaking sound when braking?

What is the purpose of automatic headlights in vehicles?

How often should engine oil be changed if the car is not driven much?

What are the reasons for the engine malfunction indicator light being on and the car shaking?

How Long Does It Take to Repair a Flat Tire?

Can Windshield Washer Fluid Be Replaced with Mineral Water?

What is the best position to adjust the car's small rearview mirror?