How long must one wait to reschedule the Subject 4 exam?

How to Check the Production Date of Engine Oil?

Engine oil production dates are indicated on small packaging or the box. For large barrel packaging, the production time and date are printed on the white cap pressed on top. Below is relevant information about engine oil: 1. Characteristics: Advanced technology converts natural gas into crystal-clean fully synthetic base oil, to which unique power cleaning technology is added, creating lubricants with superior cleaning and protective performance. 2. Viscosity Value: 10W-40 represents its SAE standard viscosity value. This viscosity value first indicates that the oil is multi-grade. W stands for WINTER, and the number before W represents the oil's flow performance at low temperatures—the smaller the number, the better the starting performance in cold conditions. The number after W indicates the oil's stability at high temperatures (i.e., its tendency to thin out)—the larger the number, the better the high-temperature stability performance.

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What are the consequences of using service brakes on long downhill slopes?

Continuously using service brakes on long downhill slopes can cause the brake temperature to rise, leading to a sharp decline in braking effectiveness. In severe cases, it may even result in brake failure. Below are some key points about service brakes: 1. During normal driving, service brakes (foot brakes) are primarily used to slow down or stop the vehicle while in motion. 2. Once the vehicle comes to a complete stop, the parking brake (handbrake) should be engaged to prevent the vehicle from rolling forward or backward. 3. If the service brake system malfunctions, it is advisable to cease driving immediately. Brake system failures often manifest as complete brake failure, reduced braking efficiency, uneven braking, or pulling to one side during braking, all of which can easily lead to traffic accidents if driving continues.

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Should Small Marks on the Windshield Caused by Stones Be Repaired?

Small marks on the windshield caused by stones do not require repair. The methods for repairing scratches on the windshield are as follows: Grinding and Polishing Repair: Grinding and polishing can gradually refine imperfections such as scratches, abrasions, burns, and corrosion on the glass surface, achieving a repair effect. First, clean and wipe the area around the scratch, then use tape to enclose the scratch to define the repair area and avoid damaging other parts during grinding. Use a grinding disc to remove the scratch, and finally polish the glass with polishing paste. For small and shallow scratches, direct polishing can be performed without grinding. Using Toothpaste for Repair: Toothpaste contains fine abrasive particles, which can also achieve a grinding effect. Apply toothpaste to the scratch and gently rub it with a soft, clean towel dampened with water.

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What is the coverage of vehicle damage insurance?

The coverage of vehicle damage insurance is specifically introduced as follows: 1. The insurer is responsible for compensating for the losses of the insured vehicle caused by the following reasons when the insured or their permitted drivers are using the insured vehicle: (1) Collision, overturning, falling; fire, explosion, spontaneous combustion (requires separate spontaneous combustion insurance); falling or collapsing of external objects; storm, tornado; (2) Lightning strike, hailstorm, torrential rain, flood, tsunami; ground collapse, ice collapse, cliff collapse, avalanche, mudslide, landslide; the ferry carrying the insured vehicle suffering from natural disasters (limited to drivers accompanying the vehicle on 58 Auto). 2. In the event of an insurance accident, the necessary and reasonable rescue expenses paid by the insured to prevent or reduce the loss of the insured vehicle shall be borne by the insurer, with the maximum amount not exceeding the insured amount.

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Can People with Color Weakness Renew Their Driver's License?

Renewing a driver's license is not affected by color weakness as long as it is not red-green color blindness. Here are some precautions for people with color weakness when undergoing a medical examination for license renewal: Undertake the examination under sufficient lighting: During the medical examination, the more adequate the lighting, the more saturated the colors will be, making it easier for people with color weakness to identify them. Wear color-correcting glasses: Whether it's color weakness or myopia, wearing glasses is allowed during the driver's license medical examination. Therefore, people with color weakness can purchase corrective glasses from professional stores to enhance their perception of color contrast. Inform the staff about the condition: Medical personnel, upon being informed, can arrange for different color blindness tests, which can increase the chances of passing for people with color weakness.

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What is the operating voltage of an automotive LIN bus?

LIN bus operates at 12V. The master node is configured with a 1kΩ resistor terminating to 12V power supply, while slave nodes are configured with 30kΩ resistors terminating to 12V power supply. Below is relevant information about LIN bus: 1. Definition: LIN bus is a low-cost serial communication network defined for automotive distributed electronic systems, serving as a complement to other automotive multiplex networks like Controller Area Network (CAN). It is suitable for applications that do not require high bandwidth, performance, or fault tolerance. LIN bus is based on SCI (UART) data format, adopting a single-master/multiple-slave mode, representing a special case of UART. 2. Purpose: LIN aims to provide auxiliary functions for existing automotive networks (e.g., CAN bus), making it a secondary bus network. In applications where CAN bus bandwidth and multifunctionality aren't required - such as communication between smart sensors and braking devices - using LIN bus can significantly reduce costs.

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How long must one wait to reschedule the Subject 4 exam?

How to Check the Production Date of Engine Oil?

What are the consequences of using service brakes on long downhill slopes?

Should Small Marks on the Windshield Caused by Stones Be Repaired?

What is the coverage of vehicle damage insurance?

Can People with Color Weakness Renew Their Driver's License?

What is the operating voltage of an automotive LIN bus?

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