Is There Any Harm in Using 98 Octane Gasoline in a Car Designed for 92 Octane?

What is the maximum age requirement for obtaining a driver's license?

The maximum age limit for obtaining a driver's license is 70 years old. Below are some important considerations for taking the driving test: 1. Don't forget to release the handbrake when starting: When first learning to drive, always follow the correct sequence when starting the car. Regardless of whether the handbrake was engaged when parking previously, always check and release the handbrake when starting. 2. Always fasten your seatbelt: Good habits start with wearing a seatbelt. Although it may feel uncomfortable, this small belt can save your life in the event of a high-speed collision. 3. Don't forget to engage the handbrake when parking: This issue is similar to wearing a seatbelt. During practice sessions, the training area is usually flat, and instructors might not emphasize this enough as students take turns. However, failing to correct this bad habit can lead to serious problems in real driving situations. A moment of carelessness can result in the car rolling, potentially causing damage to your vehicle or even harm to others' property or lives. The mistake may seem minor, but the consequences can be severe. 4. Correct positioning of the right foot: Driving school cars often have higher idle speeds. Instructors usually discourage students from using the accelerator during initial training, sometimes even disconnecting the throttle cable. Since the car moves at idle speed, it's very slow, and pressing the clutch can stop it immediately. Over time, many students develop the habit of keeping their right foot idle. This habit can be dangerous when driving a manual transmission car in real situations, as it may lead to delayed or incorrect braking responses during emergencies, even causing accidents by mistakenly pressing the accelerator instead of the brake. 5. Don't forget to shift to neutral when exiting the car: Forgetting to shift back to neutral or Park after stopping can cause the engine to stall. If combined with forgetting to engage the handbrake, the car might lurch forward, potentially causing damage to yourself or others.

19

5

Share

What are the techniques for identifying several types of traffic violations in Subject 4?

Subject 4 violation judgment techniques include: when counting violations in animations, pay attention to scene transitions; extend contextual clues from questions, and focus on daily knowledge accumulation. Below are judgment techniques for Subject 4 violations: 1. Match options with question stems and eliminate sequentially: Most violation judgment questions present a scenario in the stem, requiring candidates to select all violations committed by the driver from four options, appearing in both single-choice and multiple-choice formats. The approach is to cross-reference each option with the stem and eliminate incorrect choices. 2. Extend contextual clues from question stems and emphasize daily accumulation: Sometimes question stems provide indirect clues, requiring examinees to apply common sense for independent judgment.

9

4

Share

Can Car Refrigerators Be Used at Home?

Car refrigerators can be used at home provided that the power supply requirements are met. Generally, car refrigerators operate on 12V DC power, while household electricity is 220V AC. Therefore, when using a car refrigerator at home, a 12V to 220V power converter/adapter is required. Below is relevant information about car refrigerators: 1. Working Principle: Utilizes P-N junctions made of special semiconductor materials to form thermocouples, creating the Peltier effect—a new refrigeration method that cools via direct current. The refrigeration temperature range is between 5 to 65 degrees. 2. Types: Car refrigerators are divided into semiconductor-type and compressor-type. The former can both cool and heat, with smaller capacity, energy efficiency, environmental friendliness, and no noise; the latter can adapt to various power voltages, whether 12V DC or 24V DC, as the built-in power device in compressor-type car refrigerators can automatically recognize different voltages and adjust accordingly.

11

3

Share

Do I Need to Re-register If I Fail the Subject 4 Test Five Times?

If you fail the Subject 4 test five times, you can still schedule a retest after 10 days. Other subjects will not be invalidated, and there is no need to retake them. Here are the relevant details: 1. Time Regulation: According to the "Regulations on the Application and Use of Motor Vehicle Driving Licenses," after passing the Subject 1 test, the remaining subject tests must be completed within the 3-year validity period of the driving certificate. 3. Retake Fee Explanation: Each retake of Subject 4 is free of charge. 4. Re-examination Explanation: If you do not pass all subjects within the 3-year validity period, all subject test scores will be invalidated. At that point, you will need to pay the tuition fees again and retake all subjects to obtain a driver's license.

13

3

Share

Do I Need to Wait for the Red Light When Turning Left?

Yes. Here are the precautions for waiting at a red light: 1. Maintain distance: When waiting at a red light, avoid getting too close to the vehicle in front. If the road is uneven, the driver ahead might forget to brake or engage the handbrake, causing their vehicle to roll back and collide with yours. Additionally, if the vehicle ahead is a large truck, keep an even greater distance—at least enough to see the traffic light yourself. 2. Stay observant: Continuously monitor the road to the left, the left rearview mirror, and the right rearview mirror. Always keep an eye on the surroundings and the road ahead. 3. Open the window: If your car has tinted windows and it's neither raining nor too sunny, it's best to open the window.

8

1

Share

How to Track a Car's Location?

First, if the vehicle itself has a built-in GPS positioning function, you can check the car's location through a mobile app. If the vehicle does not have a built-in GPS positioning function, you can only track the car's location by installing a GPS device yourself. In other words, the prerequisite for locating a car online is that the vehicle must have GPS. Relevant details are as follows: 1. Install a GPS: Install a GPS tracker on the car to automatically record and allow you to query historical activity tracks at any time. It helps design the optimal visiting route and provides information such as the name of the person or vehicle, the positioning time, and the current location. 2. The Role of GPS: A GPS satellite tracker uses a GPS terminal to accurately locate, track in real-time, remotely monitor, and prevent theft or hijacking of distant targets. You can query the target's location anytime, anywhere via mobile phone, internet, or PDA, and track the target's movement direction in real-time while monitoring sounds within a 515-meter radius. Whether the target is in a room or basement, precise positioning is possible. With a GPS satellite tracker, the target's whereabouts are worry-free.

2

5

Share

Is There Any Harm in Using 98 Octane Gasoline in a Car Designed for 92 Octane?

What is the maximum age requirement for obtaining a driver's license?

What are the techniques for identifying several types of traffic violations in Subject 4?

Can Car Refrigerators Be Used at Home?

Do I Need to Re-register If I Fail the Subject 4 Test Five Times?

Do I Need to Wait for the Red Light When Turning Left?

How to Track a Car's Location?

Which Gear to Use When Climbing a Slope?

Is there a voice prompt for independent lane changing in Subject 3?

Are there any hints for multiple-choice questions in the Subject 4 exam?

Which country does Qoros Auto belong to?