What is the passing score for the driving license subject four exam?

What is the symbol for automatic headlights?

The symbol for automatic headlights is "AUTO". It must be the "AUTO" in the light control area to indicate automatic headlights, as the air conditioning control panel or other locations may also have "AUTO" switches or buttons. In German and American cars, the light control adjustment area is usually located on the lower left side of the steering wheel, while in Japanese, Korean, and domestic models, the light control is generally concentrated on the turn signal lever. Precautions for using car headlights: 1. If the other party still does not turn off the high beams: stay calm, focus on observing the road ahead in advance, slow down appropriately, and pass with caution; 2. If the road ahead is an intersection or a complex road section: pull over and wait for the oncoming vehicle with high beams to pass before proceeding, to avoid hitting pedestrians or other obstacles.

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What does it mean when the engine light turns yellow after refueling the car?

When the engine light turns yellow after refueling the car, it is usually due to poor fuel quality. The solution is to drain all the poor-quality fuel and refill with high-quality fuel. After starting the engine for about 30 seconds, the engine warning light will automatically turn off. Fuel quality is the primary factor causing the engine warning light to illuminate. The anti-knock property of gasoline is represented by its octane rating - the higher the octane number, the better the anti-knock performance. Engines have specific requirements for fuel quality indicators, especially as various regulations impose increasingly higher demands on engines, which correspondingly raises the requirements for fuel quality standards. When refueling, it's essential to use gasoline with the octane rating specified for your vehicle. Never use fuel with a lower octane rating than required or substandard gasoline, as this ensures fuel quality and prevents potential damage to your vehicle.

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What is the Difference Between Electric Vehicles and Traditional Cars?

Electric vehicles and traditional cars differ primarily in their power systems: electric vehicles use greener electrical energy, while traditional cars rely on diesel or gasoline. Traditional cars require a complex assembly of numerous mechanical components, whereas the structure of electric vehicles is much simpler, needing only electrical wiring to distribute power around the vehicle body. An electric vehicle is defined as a vehicle powered by an onboard power source, using an electric motor to drive the wheels, and meeting all road traffic and safety regulations. Electric vehicles do not have exhaust pipes. Conventional cars use petroleum products as energy, generating power through combustion in an internal combustion engine and controlling drive via a transmission. In contrast, electric vehicles utilize batteries as their energy source, with an electric motor for propulsion and a speed controller for managing velocity.

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What Causes Shaking During Automatic Transmission Car Startup?

Shaking during the startup of an automatic transmission car may be caused by the following reasons: 1. The throttle is too dirty, causing uneven air intake and resulting in shaking. 2. Poor fuel delivery, leading to insufficient fuel supply at low throttle and causing uneven engine cylinder operation and shaking. 3. Abnormal transmission operation. Below is more information about automatic transmission cars: 1. Introduction: Automatic transmission cars generally use an automatic transmission (AT) to regulate speed. While driving, the control system of the automatic transmission automatically selects the appropriate gear based on the engine's speed and load, replacing the driver's subjective judgment of timing and gear shifting. 2. Operational characteristics: When driving an automatic transmission car, the driver only needs to control the accelerator pedal. The computer analyzes signals such as engine throttle opening and vehicle speed collected by sensors to automatically control gear shifting or engage different gears.

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What does 'car' mean on a vehicle?

The 'car' on a vehicle simply means automobile. The Audi CAR button's function is to quickly open the vehicle system settings interface. Pressing this button makes the multimedia central control screen directly jump to display the vehicle system interface, where various car settings can be adjusted such as driving mode selection, seat and air conditioning adjustments, parking assistance system, settings and services. Functions of various buttons in the car: 1. The SEL key is a menu selection confirmation button, usually located on the multifunction steering wheel; 2. The AC button is the compressor switch, which is the air conditioning cooling switch (since car heating doesn't require the compressor); 3. MUTE is the silence button for instant muting; 4. MODE is the mode switching button; 5. SET on the multifunction steering wheel is the cruise control function button.

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Should a New Car Be Equipped with Tire Pressure Monitoring?

Benefits of installing tire pressure monitoring: It can promptly alert when there are dangerous signs in the tires, preventing serious accidents. It helps maintain the tires within the specified pressure range, reducing tire damage and extending their lifespan. It also protects the shock absorption system, reduces fuel consumption, and makes driving more economical. Therefore, a new car should be equipped with tire pressure monitoring. More details are as follows: 1. Abnormal tire pressure generally includes the following situations: rapid air leakage, high pressure, low pressure, and high temperature. The indicator light turns on as a warning method based on tire pressure and other issues, possibly due to encountering uneven road surfaces during driving, causing different tire forces and changes in tire pressure, which can also trigger the indicator light. 2. Principle of tire pressure monitoring: Pressure sensors installed in each tire directly measure the tire pressure and display the data for each tire. When the tire pressure decreases, it causes changes in vehicle speed, which can be used to trigger the alarm system to warn the driver.

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What is the passing score for the driving license subject four exam?

What is the symbol for automatic headlights?

What does it mean when the engine light turns yellow after refueling the car?

What is the Difference Between Electric Vehicles and Traditional Cars?

What Causes Shaking During Automatic Transmission Car Startup?

What does 'car' mean on a vehicle?

Should a New Car Be Equipped with Tire Pressure Monitoring?

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How to Adjust the Ignition Timing Angle of a Car?

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