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What Causes the Brake Assist Function to Be Limited?

1 Answers

NovaDella

07/29/25 3:58pm

Brake assist function limitation may be caused by a radar sensor system malfunction or interference. Below are the specific causes and solutions: Causes of Limitation: Radar sensor system malfunction, which could also be due to interference from electromagnetic radiation emitted by nearby TV stations, radio stations, or other electromagnetic radiation sources; the system operating outside its working temperature range; low vehicle voltage; or heavy rain or snow impairing the function. The radar sensor system malfunction may also result from dirty sensors. Solutions: When the brake assist system fails, the driver cannot generate significant braking force with minimal pedal effort, leading to an inability to press the brake pedal. In such cases, emergency stopping is required. Check for leaks in the vacuum pump or pipelines, and inspect whether the vacuum pressure sensor is malfunctioning. Prompt repairs are necessary if a fault is detected.

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Why does the CRV shake at 40 mph?

When the lock-up clutch in Honda's torque converter slips during operation, it can cause shaking or continuous vibration, leading to torque converter lock-up shudder. The specific reasons for Honda CRV shaking at 40 mph are as follows: 1. Worn friction plates: The lock-up friction plates inside the original torque converter have limited lifespan and poor wear resistance. 2. Improper transmission fluid maintenance: The correct transmission fluid change interval is every 2 years or 50,000 kilometers using genuine transmission fluid. 3. Using incorrect fluid: When changing transmission fluid, if inferior or counterfeit transmission fluid is used instead of genuine fluid, it can cause this issue.

How to Solve Smart Key Malfunctions?

If your smart key malfunctions, first try using the spare key. If the spare key works normally, it indicates that the other key is faulty and can be reprogrammed at a 4S shop. There are many reasons for remote key failure, with specific faults as follows: Dead Battery: One possibility is a dead battery or poor battery contact. Module Failure: If the timing control module in the remote key fails, it can also render the remote inoperative. Aging Antenna: The third scenario involves aging of the car's remote transmitter antenna, which can also cause this issue. In such cases, you can visit a repair station for inspection and repair.

How Often Should the Car Key Battery Be Replaced?

Car key batteries should be replaced every 3 years. Lifespan: The battery inside a car remote key typically lasts about 3 years. When the battery runs out, you need to open the key casing to replace it. Car owners with strong DIY skills can open the key casing themselves to replace the battery, as the process is relatively simple. Precautions: The car remote key contains a chip, so be careful not to damage it during disassembly. Otherwise, replacing the chip can be troublesome. The casing of the remote key is generally not waterproof, so car owners should never immerse the key in water, as this can damage the chip. When using the remote key, try to avoid remote operation from long distances, as this will increase battery consumption.

What Causes Incomplete Engine Combustion?

Engine incomplete combustion is caused by damaged spark plugs, poor fuel quality, and excessive carbon deposits. Damaged Spark Plugs: The most common issue is damaged spark plugs. Worn spark plug electrode gaps result in insufficient ignition, leading to unburned air-fuel mixture and engine vibration during acceleration. Poor Fuel Quality: Low-quality gasoline leads to poor fuel injector atomization, causing incomplete combustion in the cylinder. It's recommended to switch to higher-octane gasoline after using up the current tank and perform a fuel system cleaning. Excessive Carbon Deposits: A dirty throttle body or carbon-clogged fuel injectors can cause throttle valve leakage or idle speed control motor jamming, resulting in high idle speed. Carbon buildup during engine operation also contributes to incomplete combustion.

How many years is the validity period of the driving test?

The validity period of the driving test is 3 years. Here is some information about the validity period of the driving test: 1. Validity period: The study driving certificate becomes invalid 3 years after issuance. If you fail to complete all subjects within 3 years, all passed subject scores will be invalidated. If you still need to obtain a driver's license, you will need to re-register and retake all subjects. 2. Specific regulations: Applicants who study driving on the training ground and roads must obtain a study driving certificate as required. The study driving certificate is valid for three years, and applicants must complete the subject two and subject three tests within the validity period.

How High is a Car's Chassis Generally?

Car chassis should be no less than 140mm. Ground clearance: Ground clearance is a very important parameter when choosing a car. Most European passenger cars have a ground clearance between 100 and 140mm, while most Japanese and Korean passenger cars range from 140 to 180mm. Generally, off-road vehicles have a ground clearance between 180 and 220mm. Purpose of car chassis height: The higher the chassis, the better the vehicle's passability, but the stability is relatively poor. If you want to maintain stability while increasing the vehicle height, the tires need to have greater grip, which comes at the cost of higher fuel consumption. This is also why off-road vehicles consume so much fuel. A lower chassis brings comfort and lower fuel consumption, but when encountering ditches or bumps, the passability is not as good.

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