What is the difference between passive pedestrian protection and autonomous emergency braking?

What does MIC mean in a car?

MIC in a car stands for microphone, which is the abbreviation of Microphone. Inside the car, the microphone is mainly used for Bluetooth call answering and navigation voice playback, among other functions. Wireless microphones can generally be divided into three frequency bands: FM band, VHF band, and UHF band. The relevant introductions are as follows: 1. FM band: Since FM radios operate at frequencies between 88-108MHz, and wireless microphones in the FM band have frequencies higher than 108MHz, usually between 110-120MHz, FM radio signals do not interfere with FM band wireless microphones. This type of wireless microphone has a simple structure and low cost, but the sound quality is relatively poor. 2. VHF band: The VHF band is generally referred to as the V band, with frequencies between 180-280MHz. Due to the higher frequency, it receives less interference and uses crystal frequency locking, resulting in more stable reception performance. 3. UHF band: The UHF band is generally referred to as the U band, with frequencies between 700-900MHz. At such high frequencies, there is almost no interference from other external frequencies. Additionally, U band microphones often use surface-mount components, offering very stable performance and good sound quality.

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How many times do you need to press to turn off the power of a Mercedes-Benz?

Before turning off the power, shift to neutral first. Then press the one-touch start button once, and the engine will shut down immediately. Open and then close the driver's door, and the power will be cut off. Part of the smart car is the one-touch start device, which is a button that simplifies the ignition process. Below is a related introduction to the Mercedes-Benz shutdown steps: 1. Press the brake pedal to stop the vehicle smoothly. 2. Shift the gear from D to N. 3. Tighten the handbrake. 4. Release the foot brake, but do not turn off the power. 5. Continue to press the foot brake and shift the gear from N to P. 6. Release the foot brake, press the one-touch start button, the power will be turned off, and the shutdown is completed.

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What does it mean to check the engine management system?

Checking the engine system means inspecting the engine to determine if there is a fault in the emission system or an issue with the oxygen sensor. The vehicle owner needs to visit a 4S shop to read the fault codes and identify the specific cause. The detailed explanation is as follows: 1. The engine consists of three major parts and five service systems, which are the engine block assembly, the crankshaft and connecting rod mechanism, the valve train, the ignition system, the starting system, the lubrication system, the cooling system, and the fuel supply system. 2. The functions and basic components of each part are as follows: The engine block assembly supports the entire engine and also houses the crankcase, cylinders, etc.; The crankshaft and connecting rod mechanism converts the reciprocating motion of the piston into the rotational motion of the crankshaft, which is then output, including components like the connecting rod and crankshaft; The valve train supplies fuel and air to the cylinders and expels exhaust gases, composed of components such as tappets, valves, and control circuits.

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Do You Need to Use Turn Signals in the Subject 2 Driving Test?

There are a total of 6 instances where turn signals are required in the Subject 2 test: When starting the vehicle, turn on the left turn signal; When starting on the slope, turn on the left turn signal; During parallel parking, turn on the right turn signal when the vehicle passes the parking spot and stops 30 cm from the curb before preparing to reverse; Before shifting into reverse gear during parallel parking, turn on the left turn signal because the steering wheel will be turned fully to the right, causing the front of the car to shift left; Before exiting the parking spot during parallel parking, shift into drive gear and turn on the left turn signal, then turn it off promptly after exiting; When entering the right-angle turn area, turn on the left turn signal and turn it off promptly after completing the turn. Penalties for incorrect use of turn signals are as follows: Failing to use or incorrectly using turn signals before starting, turning, changing lanes, overtaking, or parking results in a 10-point deduction. Turning the steering wheel within 3 seconds of activating the turn signal before starting, turning, changing lanes, overtaking, or parking results in a 10-point deduction. The Subject 2 test is scored out of 100 points, with criteria for failure, 20-point deductions, 10-point deductions, and 5-point deductions. The test is passed under the following conditions: ① For large passenger vehicles, trailers, city buses, medium-sized passenger vehicles, and large trucks, a score of 90 or above is required; ② For other vehicle types, a score of 80 or above is required. The C1 and C2 license tests include five mandatory items: reversing into a parking space, parallel parking, slope parking and starting (canceled for C2), right-angle turns, and curve driving (commonly known as S-turns). Some regions also include a sixth item: highway toll card collection. The A1, A2, A3, B1, and B2 license tests include: pole test, slope parking and starting, parallel parking, single-plank bridge crossing, curve driving, right-angle turns, narrow gate passing, continuous obstacle passing, bumpy road driving, narrow road U-turns, as well as simulated highway driving, continuous sharp mountain turns, tunnels, rainy (foggy) conditions, slippery roads, and emergency handling.

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Does the Model Y have ambient lighting?

Model Y has ambient lighting. Here is an introduction about Tesla: 1. Introduction to Tesla: Tesla is an American electric vehicle and energy company that manufactures and sells electric vehicles, solar panels, and energy storage equipment. Its headquarters is located in Palo Alto. 2. Meaning of Tesla's logo: The main part of the letter T represents a part of the motor rotor, while the top second line represents a part of the outer stator. In terms of logo design, Tesla also has similarities with SpaceX. SpaceX is another bold venture of Musk, dedicated to building rockets and sending payloads into space orbit.

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What is the working principle of a dual-clutch transmission?

The key technology of a dual-clutch transmission lies in the dual clutch, which means there are two clutches. One is responsible for the odd-numbered gears (1st, 3rd, 5th, 7th), and the other clutch is responsible for the even-numbered gears (2nd, 4th, 6th). These two automatically controlled clutches, driven by electronic control and hydraulic pressure, can simultaneously control the operation of both clutches. The advantages of a dual-clutch transmission are as follows: 1. Fast shifting: The shifting time of a dual-clutch transmission is very short, even faster than a manual transmission, taking less than 0.2 seconds. 2. Fuel efficiency: The dual-clutch transmission eliminates torque interruption, ensuring that the engine's power is always utilized and maintained in the optimal working state, which can significantly save fuel. Compared to traditional planetary gear automatic transmissions, it is more conducive to improving fuel economy, with fuel consumption reduced by approximately 15%. 3. Comfort: With fast shifting speeds, each shift of the DCT is very smooth, and the jerking sensation is so minimal that it is hardly noticeable to the human body.

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What is the difference between passive pedestrian protection and autonomous emergency braking?

What does MIC mean in a car?

How many times do you need to press to turn off the power of a Mercedes-Benz?

What does it mean to check the engine management system?

Do You Need to Use Turn Signals in the Subject 2 Driving Test?

Does the Model Y have ambient lighting?

What is the working principle of a dual-clutch transmission?

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