How many items are there in Subject 2 of the driving test?

How to Deal with Water Inside Headlights?

Methods for handling water in headlights are as follows: 1. First, inspect the headlight cover to check for any damaged areas. The presence of mist or water droplets inside the car's headlights indicates water ingress, and determining how the water entered the headlight is crucial. 2. If water ingress is due to a damaged headlight cover, the only solution is to drive to a repair shop for a replacement. If the headlight cover is intact, there's no need to worry. 3. Try to remove the water droplets and mist manually: You can drive the car outdoors and let it bask in the sun for half a day, relying on the sun's heat to evaporate the mist inside the headlights. If there's still residue, you can turn on the car's headlights. The headlights generate heat when turned on, which can also evaporate much of the mist. 4. Drive to a repair shop for inspection: Technicians can disassemble the headlights to clear out the mist and water droplets, check the headlights' sealing condition, and repair any damaged areas. They have the tools to inspect the headlight wiring and identify the source of the problem to properly fix the headlights.

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How to deal with cracked glass?

Check if it can be repaired, otherwise replacement is necessary. Whether damaged car glass can be repaired depends on two factors: 1. First, check the location of the damage point. Only damage in the whitish area of the glass can be repaired. If it's in a pitted or black adhesive area, it's unnecessary to repair, and it's recommended to replace the glass directly. 2. Second, assess the extent of the damage. If there are extended cracks within the main line of sight, it's advisable to replace the glass directly. If there are no extended cracks and the damage points are few and small, repair is possible. If there are extended cracks but they are not within the main line of sight and extend less than 10 cm, drilling and injecting adhesive to stop the cracks can be done. It's recommended to visit an auto beauty shop for an on-site evaluation to determine the best course of action.

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Where is the keyhole of the Haval H6?

Haval H6 mechanical key ignition keyhole is located on the car door handle. Here is some knowledge about car remote keys: 1. The car remote key is also the car's smart key, usually used in keyless entry systems. The smart key consists of a transmitter, remote central lock control module, driving authorization system control module, three receivers, and related wiring harnesses that form a control system. Through the signals emitted by the smart key, the car can enter a locked or unlocked state, and can also close the windows and sunroof. By emitting infrared signals through the smart key, the car's central locking system starts working to open the car door. 2. When the central processor senses that the key is inside the car, the one-button start button can be used to start the engine. The car smart key adopts the world's most advanced radio frequency technology and vehicle identity code recognition system.

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How to Defog a Car?

Methods for defogging and defrosting a car windshield are as follows: (1) Roll down the windows to allow air convection: Partially roll down the windows to let cold air from outside blow into the car, creating convection between hot and cold air. This reduces the temperature difference inside and outside the car, helping to eliminate frost and fog. If the weather is extremely cold, you can intermittently open and close the windows. (2) Use the air conditioning defogging system. The general steps are: 1. Adjust the "airflow mode" to "defog"; this mode mainly controls warm air to flow toward the windshield, the front windows near the rearview mirrors for both the driver and passenger. 2. Turn the "temperature control" knob to the red zone; this ensures the system outputs warm air. 3. Adjust the fan speed knob. To defog quickly, turn it to the maximum. Without airflow, the previous adjustments will not work. (3) Use a defogging agent.

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Why Do Cars Have Low Tire Pressure?

There are many reasons for low tire pressure, mainly including tire damage and slow air leakage caused by tire aging. Hazards of excessive tire pressure: The friction and adhesion of the tire will decrease, affecting braking performance; it causes steering wheel vibration and deviation, reducing driving comfort; accelerates uneven wear of the central tread pattern, shortening tire lifespan; increases vehicle vibration, indirectly affecting the lifespan of other components; overextends the tire cords, reducing tire elasticity and increasing the load on the vehicle during driving; decreases puncture resistance. When encountering sharp objects like nails or glass on the road, they can easily penetrate the tire, causing internal cracks or blowouts due to impact, leading to tire bursts. Hazards of insufficient tire pressure: Increases friction with the road surface, leading to higher fuel consumption; makes the steering wheel heavy and prone to deviation, creating unsafe driving conditions; increases movement in various parts of the tire, causing abnormal heat due to excessive rolling; reduces the functionality of the cords and rubber, leading to delamination or cord breakage, and excessive friction with the rim causing damage to the bead area and abnormal wear; multiplies friction with the ground, rapidly increasing tire temperature, softening the tire, and drastically reducing its strength. High-speed driving may result in tire bursts; increases tire body deformation, making the sidewalls prone to cracks and generating flexing movements, leading to excessive heat, rubber aging, cord fatigue, and breakage, while also increasing the tire's contact area with the ground, accelerating shoulder wear.

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What is the difference between the clutch and the accelerator?

The differences between the clutch and the accelerator are as follows: 1. The function of the clutch is to cut off the power transmission between the engine and the gearbox, making it convenient for the driver to change gears. 2. The accelerator is used by the driver to control the engine speed or, in other words, to regulate the amount of air entering the engine combustion chamber within a certain range. 3. As the name suggests, the clutch serves to separate and connect the engine and the transmission system. If the clutch is pressed down, the engine and the transmission system will be separated. In this case, pressing the accelerator will not increase the vehicle speed but will only cause the engine to idle, producing a buzzing sound. 4. The clutch pedal travel is divided into full travel and free travel. Full travel refers to the distance from the top to the bottom when the clutch pedal is pressed down under normal spring-back conditions, generally 100mm. Free travel refers to the distance the pedal travels from the moment the clutch is pressed until it is completely separated, generally 15mm-20mm.

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How many items are there in Subject 2 of the driving test?

How to Deal with Water Inside Headlights?

How to deal with cracked glass?

Where is the keyhole of the Haval H6?

How to Defog a Car?

Why Do Cars Have Low Tire Pressure?

What is the difference between the clutch and the accelerator?

What is the Break-in Period for a Car?

How many kilometers can you drive when the vehicle prompts 'Change Engine Oil'?

Is the Volkswagen Tiguan from FAW or SAIC?

What Causes Body Vibration After Accelerating by Pressing the Throttle?