What is the proportion of question types in Subject 1?

Best Solution for BMW 3 Series Burning Engine Oil?

Address the issue of engine oil burning by replacing the oil seal. Precautions for adding engine oil to BMW 3 Series: 1. Check oil level: Regularly inspect the quality and quantity of the engine oil in use. The crankcase must have sufficient oil to ensure proper lubrication of the engine. Insufficient oil can cause component damage and accelerate oil deterioration, while excessive oil can seep into the combustion chamber through the piston gap, increasing carbon deposits. Therefore, regularly check the oil level in the crankcase and top up when necessary. 2. Regular oil changes: Changing oil regularly not only ensures oil quality but also maximizes engine performance. Follow the manufacturer's recommended oil change intervals or the mileage specified for your vehicle. 3. Avoid mixing oils: Gasoline engine oil should not be used as a substitute for diesel engine oil, as it can accelerate wear in diesel engines. Gasoline and diesel engine oils have different specifications; substitution is only permissible if the manufacturer provides a compatibility statement or if the oil is labeled as suitable for both gasoline and diesel engines within the specified grade range.

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Where to Get a Car Remote Key Duplicated?

Since the password of the original car remote is exclusive and specially matched, which also ensures the safety of consumers' car use, it is necessary to return to the original 4S store to duplicate the remote key. More information about car remote keys is as follows: 1. A car remote key refers to the wireless remote control function of the central lock, which is a device that allows you to remotely open and lock the door without inserting the key into the keyhole. 2. Its biggest advantage is: regardless of day or night, without the need to locate the keyhole, you can remotely and conveniently unlock (open the door) and lock (close the door). 3. The basic principle of the remote control is: a weak electric wave is emitted from the owner's side, received by the car antenna, the signal code is identified by the electronic controller ECU, and then the actuator (motor or electromagnetic coil) of the system performs the action of unlocking/locking.

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How to Check Transmission Abnormal Noise?

Methods for checking transmission abnormal noise: The internal structure of the transmission is very complex, and the transmission needs to be disassembled to inspect the faulty part. It is impossible to determine without disassembly. It is recommended that the owner go to a 4S shop or maintenance center for disassembly and inspection to locate the fault. Reasons for transmission abnormal noise: 1. Long-term failure to replace transmission oil: Automatic transmission oil should be replaced every 2 years or 40,000 kilometers, while manual transmission oil should be replaced every 3 years or over 60,000 kilometers; 2. Presence of gear debris in the gears: When the abnormal noise is rhythmic, you can try to increase the throttle. If the noise becomes louder, it can be confirmed; 3. Poor quality of the transmission oil used: Inferior transmission oil has poor performance and is prone to oxidation, forming sludge and residue, which can clog the filter screen and oil passages, increasing friction among internal components of the transmission, leading to abnormal noise.

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What is the size of the Nissan Teana wiper blades?

The size of the Nissan Teana wiper blades is 26+17 inches. Below is relevant information about wiper blades: 1. Precautions: There is no fixed replacement interval. Replace them promptly when noise occurs or they fail to clean effectively. Note that removing and installing wiper blades requires good manual dexterity; otherwise, mechanical damage may occur. Therefore, entrusting the replacement to professionals is more convenient. 2. Overview: Wiper blades, also known as windshield wipers or windscreen wipers, are devices used to remove raindrops and dust from a vehicle's windshield, improving driver visibility and enhancing driving safety. Due to legal requirements, almost all vehicles worldwide are equipped with wiper blades. Rear windows of hatchbacks and SUVs also have wiper blades. Besides cars, other transportation vehicles such as trains and trams are equipped with wiper blades. Some engineering machinery, like cranes, also features wiper blades.

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What is the correct emergency driving posture for a driver?

When a head-on collision with an oncoming vehicle occurs and the impact is directly in front of the driver, the correct emergency driving posture is to quickly move away from the steering wheel, take cover in the front passenger seat, and swiftly lift both legs. New drivers who have just obtained their licenses should pay attention to the following points: 1. Develop the habit of checking rearview mirrors: Many novice drivers lack experience in driving at high speeds and their driving skills are not yet proficient, so it is essential to control the speed when on the road. The premise of driving is to ensure personal safety. 2. Learn to brake properly: While driving, the right foot should be placed on the brake pedal, which is a crucial preparatory braking posture. Developing this habit can significantly improve driving safety. 3. Practice driving at slow speeds: During practice, for the safety of oneself and others, avoid overconfidence and driving too fast. Instead, maintain a slower speed to allow time to react in case of sudden emergencies.

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How to Adjust Low Idle Speed on Buick Excelle?

For Buick Excelle with low idle speed, locate the idle speed adjustment screw on the throttle idle motor, and adjust it left or right to change the idle speed. Below is relevant information about idle speed: 1. Detection methods: (1) Low car battery voltage: Use a multimeter to test the battery voltage. If below 10V, replacement is recommended. If around 11V, it can be used temporarily, but prepare for replacement. Above 12V is acceptable. (2) Check if caused by carbon deposits; if the vehicle has run about 20,000 KM, focus on inspecting and cleaning the throttle. 2. Impact of idle speed on gasoline engines: (1) Fuel economy: Since engines often operate at idle, statistics show that about 30% of urban vehicle fuel is consumed during idle. Therefore, reducing fuel consumption during idle is crucial, which is also a requirement for idle control. (2) Emissions: During idle, gasoline engines have a lot of residual exhaust gas in the cylinders. To ensure stable combustion, the mixture needs to be enriched, leading to incomplete combustion and the production of harmful emissions like CO and HC.

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What is the proportion of question types in Subject 1?

Best Solution for BMW 3 Series Burning Engine Oil?

Where to Get a Car Remote Key Duplicated?

How to Check Transmission Abnormal Noise?

What is the size of the Nissan Teana wiper blades?

What is the correct emergency driving posture for a driver?

How to Adjust Low Idle Speed on Buick Excelle?

How long can a 10-year-old Mini still be driven?

What does the triangle exclamation mark in a car mean?

What to Do When You Forget Your Driver's License on the Highway

What is the Difference Between a 1.5T Engine and a 2.0T Engine?