Which one is the front windshield defogging symbol?

What are the abbreviations for Mercedes-Benz, BMW, and Audi?

Mercedes-Benz, BMW, and Audi are collectively referred to as BBA. Below are specific introductions about BBA: 1. BENZ: Mercedes-Benz, a century-old German automotive brand, a pioneer in the global automobile industry, and one of the luxury high-end car brands. 2. BMW: BMW, a German automobile brand, has rapidly captured the global high-end car market with its high quality, excellent performance, and advanced technology. 3. AUDI: Audi, a subsidiary of Volkswagen Group in Germany, is also one of the luxury car brands. Additional information: Many people might wonder why Mercedes-Benz, BMW, and Audi are often mentioned together. The reason is simple: in terms of domestic sales of luxury brands, Mercedes-Benz, BMW, and Audi rank as the top three. Even when combined, the sales of Lexus and Cadillac, which rank fourth and fifth, cannot match any single brand within the BBA group.

19

1

Share

What is the general lifespan of a clutch master and slave cylinder?

The general lifespan of a clutch master and slave cylinder is approximately 70,000 kilometers. Below are some driving precautions: Judging following and oncoming vehicle distance: The following distance while driving should be estimated based on the current speed. When stopping, the following distance should generally be such that you can barely see the rear wheels of the vehicle in front. Proper steering wheel control: Master the five fundamental principles: starting, stopping, turning, shifting gears, and braking. These principles should be flexibly applied according to actual conditions. Night driving offers poorer visibility, making it harder to see far ahead, which can easily cause panic for novice drivers. When driving at night, novice drivers should first ensure a slower speed. If there are no streetlights and no vehicles ahead, you can turn on the high beams, but switch to low beams when another vehicle approaches.

18

3

Share

How Does the Engine Start-Stop System Work?

The working principle of the engine start-stop system: When the vehicle stops moving due to traffic congestion or at an intersection, the driver presses the brake pedal and shifts to neutral. At this point, the start-stop system automatically checks: the engine is idling and in neutral, the wheel speed sensor of the anti-lock system shows zero, and the electronic battery sensor indicates sufficient energy for a restart. Once these three conditions are met, the engine automatically stops running. How to use the engine start-stop system: Simply press the brake pedal while driving, and after the vehicle comes to a complete stop for about two seconds, the engine will automatically shut off. As long as the brake pedal is held down, the engine remains off. Releasing the brake pedal or turning the steering wheel will immediately trigger the engine to restart automatically, allowing the driver to press the accelerator and start moving again—all while remaining in Drive (D) mode.

19

3

Share

How Many Years Can Michelin Tires Last at Maximum?

Michelin tires have a lifespan of two years or 60,000 kilometers, whichever comes first. Even if you don't drive much, the tires will degrade, harden, and develop cracks, posing safety hazards while driving. Therefore, it is essential to replace them when the specified time or mileage is reached. Below is additional information: 1. Michelin Tires: Michelin tires are a premium brand with mature technology that enhances the balance between driving safety, comfort, and handling, significantly improving tire performance, saving fuel, and comprehensively protecting the safety of drivers and passengers. 2. Michelin Winter Tires: Specifically designed for harsh winter conditions, such as snow, ice, and wet roads, their advanced technology greatly increases stability and controllability on complex winter road surfaces, improving overall safety and allowing drivers to experience secure driving on icy roads. Key advantages include: long wear life, low puncture rate, fuel efficiency, larger contact area, excellent handling, lower operating temperature, and enhanced safety, comfort, and machine protection.

11

4

Share

How Many Meters for Pulling Over to the Side?

After the examiner issues the instruction to pull over to the side, the maneuver must be completed within 80 meters. The steps for pulling over to the side are as follows: 1. Upon hearing the "pull over to the side" instruction, first determine the parking position, then turn on the right turn signal and steer the wheel to the right at a 90-degree angle. 2. When the middle of the front of the car aligns with the curb, quickly turn the steering wheel to the left at an angle greater than 180 degrees. 3. When one-third of the front of the car aligns with the curb, straighten the steering wheel. If the car deviates, continuously adjust it slightly to maintain the one-third alignment. 4. When the car body is parallel to the curb and at a distance of 10 to 30 centimeters from it, stop the car. 5. After selecting the parking spot, always turn on the right turn signal first; failure to do so will result in point deductions.

10

3

Share

Is it better to use 92 or 95 octane gasoline for the Jeep Compass?

According to the official vehicle manual recommendation, the Jeep Compass should use 92 octane gasoline. In addition to checking the appropriate gasoline grade in the vehicle manual, the Compass owner can also find this information on the fuel tank cap, which will also be indicated. Generally, the gasoline grade can also be determined based on the engine's compression ratio. Vehicles with an engine compression ratio between 8.6-9.9 should use 92 octane gasoline, while those with a compression ratio between 10.0-11.5 should use 95 octane gasoline. However, with the application of some new technologies, the compression ratio alone cannot determine the gasoline grade. A high compression ratio can also be tuned to use lower octane gasoline because, besides the compression ratio, other factors such as ignition timing, turbocharging technology, and Atkinson cycle technology also play a role. Generally, the higher the gasoline octane number, the higher the octane value and the better the anti-knock performance. 92 octane gasoline contains 92% isooctane and 8% n-heptane, while 95 octane gasoline contains 95% isooctane and 5% n-heptane. If the Compass occasionally uses the wrong gasoline grade, simply switch back to the correct grade after refueling. However, long-term use of the wrong gasoline grade can have the following effects: For vehicles recommended to use lower octane gasoline, using higher octane gasoline will not cause damage, but the increase in octane value will change the fuel's ignition point, leading to delayed combustion in the engine. This means the engine's power output and thermal efficiency will decrease, resulting in poorer performance. For vehicles recommended to use higher octane gasoline, using lower octane gasoline can cause engine knocking. Because the octane value is too low, the gasoline's ignition point decreases, causing premature ignition during the compression stroke. If combustion occurs before the spark plug ignites, resistance will arise during the upward stroke. This resistance makes the engine run very unstably. If the knocking is mild, it only increases noise without significant damage to the engine. However, severe knocking indicates serious engine conditions, affecting not only driving stability but also causing abnormal wear on pistons and cylinders, and in severe cases, cylinder scoring.

14

3

Share

Which one is the front windshield defogging symbol?

What are the abbreviations for Mercedes-Benz, BMW, and Audi?

What is the general lifespan of a clutch master and slave cylinder?

How Does the Engine Start-Stop System Work?

How Many Years Can Michelin Tires Last at Maximum?

How Many Meters for Pulling Over to the Side?

Is it better to use 92 or 95 octane gasoline for the Jeep Compass?

How many years is the validity period for the Subject 4 exam?

What to Do If a Little Water Gets into the Motorcycle Fuel Tank?

How long after paying the fine on 12123 can I get my vehicle inspected?

Should the reverse parking in Subject 2 start with left or right side?