Should You Press the Brake or the Clutch First When Decelerating a Motor Vehicle?

1 Answers
OMorgan
07/29/25 9:34am
When driving at high speed, you should press the brake first and then the clutch, whereas at low speed, you can press the clutch first and then the brake. Below are relevant details about brakes and the clutch: 1. Definition and Principle: The brake of a motor vehicle is also referred to as the braking system. The principle of braking involves fixing a wheel or disc on the high-speed shaft of the machine and installing a corresponding belt or disc on the machine, which generates braking torque under external force. 2. Explanation of the Clutch: The clutch of a motor vehicle is located inside the flywheel housing between the engine and the transmission. The clutch assembly is secured to the rear plane of the flywheel with screws, and the output shaft of the clutch is the input shaft of the transmission.
Was this review help?
18
3
Share
More Forum Discussions

How often should car window film be replaced?

Car window film should be replaced based on the degree of wear, typically around every 3 years. Below are the functions of car window film: Heat insulation and blocking heat: In the scorching summer, the infrared heat from sunlight becomes the main factor causing high temperatures inside the car. Heat-insulating film can block most of the solar heat by reflecting it, thereby lowering the interior temperature and providing drivers with physical and mental comfort and coolness, ensuring a pleasant mood and an enjoyable driving experience. Anti-glare: When driving on sunny days, drivers often wear sunglasses to avoid strong sunlight. At night, encountering drivers who misuse high beams can result in blinding glare when two cars meet, which can compromise driving safety. UV protection: Strong ultraviolet rays not only penetrate the car windows and radiate onto the skin, causing tanning or even burns, but also lead to fading and deterioration of the car's dashboard, seats, and textiles. Enhancing driving safety: In the event of accidental glass breakage, the anti-explosion properties of car window film come into play by adhering glass fragments together, preventing them from scattering and injuring people, thereby improving protection against accidents, storms, and other hazards. Privacy protection: A high-quality car window film offers excellent one-way transparency. When viewed from the outside, it creates a visual reflection, making it difficult to see the people and items inside, thereby providing a certain level of privacy. This makes it the best choice for most car owners.
10
1
Share

What is the actual fuel consumption of the new Passat?

The actual fuel consumption of the new Passat is 6.8L/100km. Below are the methods to check fuel consumption and factors affecting it: Methods to check fuel consumption: The fuel gauge on the engine displays the fuel level indicator, which is used to show and monitor the reserve and consumption of fuel in the tank. F stands for full, and E stands for empty. When the fuel warning light comes on, record the mileage, then refuel. When the fuel runs out next time, record the mileage again. Subtract the two mileage readings to get the actual distance traveled, then divide by the amount of fuel used to calculate the fuel consumption. Factors affecting fuel consumption: Incorrect driving can increase fuel consumption by 2 to 3 times. Poor driving habits have the greatest impact on fuel consumption. During driving, especially in heavy traffic, at red lights, or when changing lanes, sudden acceleration and hard braking are the most common issues. Roads with many potholes, traffic congestion, or uneven surfaces force the vehicle to drive in lower gears for extended periods, inevitably increasing fuel consumption.
6
0
Share

How to Turn on the Air Conditioning in a Volkswagen Car?

Method to turn on the air conditioning in a Volkswagen car: The air conditioning control area is located in the middle lower part of the center console. Turn on the AC cooling switch and adjust the temperature and fan speed by rotating the knobs on both sides. Volkswagen is a German automobile manufacturer headquartered in Wolfsburg, Germany. Its models include the Beetle, Golf, Volkswagen CC, Volkswagen Passat, Volkswagen Phaeton, and SUV models like the Tiguan. Taking the Golf as an example: The Golf is a compact car with dimensions of 4259mm in length, 1799mm in width, and 1476mm in height, with a wheelbase of 2637mm. In terms of power, this car is equipped with a 1.2T turbocharged engine, paired with a 7-speed dual-clutch transmission. The engine delivers a maximum power of 85 kW and a maximum torque of 200 Nm.
15
1
Share

Which region does a temporary license plate starting with 'A' belong to?

Currently, there is no temporary license plate that starts with 'A'. The first character of a license plate is a Chinese character representing the provincial-level administrative region where the vehicle is registered, which is the abbreviation of provinces, municipalities directly under the central government, or autonomous regions. The second character of the license plate is an English letter, representing the prefecture-level administrative region where the vehicle is registered, which is the letter code for prefecture-level cities, regions, autonomous prefectures, or leagues. Generally, the letter 'A' is assigned to the capital city, the capital of an autonomous region, or the central urban area of a municipality directly under the central government, and the subsequent letters are not ranked in any particular order. License plates, commonly known as vehicle plates, refer to the plates hung on the front and rear of a vehicle. They are usually made of aluminum, iron, plastic, or paper, and display the vehicle's registration number, registration region, or other relevant information.
17
4
Share

What engine is equipped in the 2019 Volkswagen Sagitar?

The 2019 Volkswagen Sagitar is equipped with two types of engines, with model numbers EA211-DSB and EA211-DLS. The EA211-DSB engine has a maximum horsepower of 150 hp, a maximum power of 110 kW, a maximum power speed of 5000-6000 rpm, and a peak torque of 250 N·m. The EA211-DLS engine has a maximum horsepower of 116 hp, a maximum power of 85 kW, a maximum power speed of 5000 rpm, and a peak torque of 175 N·m. The engines of the 2019 Volkswagen Sagitar were developed by Volkswagen in Germany and manufactured in China. For daily maintenance of the 2019 Volkswagen Sagitar's engine, the following methods can be used: Use lubricating oil of appropriate quality grade. For gasoline engines, SD-SF grade gasoline engine oil should be selected based on the additional devices in the intake and exhaust systems and usage conditions. For diesel engines, CB-CD grade diesel engine oil should be selected based on mechanical load, with the selection standard not lower than the manufacturer's requirements. Regularly change the engine oil and filter. The quality of any grade of lubricating oil will change during use. After a certain mileage, performance deteriorates, which can cause various problems for the engine. To avoid malfunctions, change the oil regularly based on usage conditions and maintain an appropriate oil level. When oil passes through the fine holes of the filter, solid particles and viscous substances in the oil accumulate in the filter. If the filter is clogged and oil cannot pass through, the filter element may burst or the safety valve may open, allowing oil to bypass through the bypass valve and bring contaminants back to the lubrication area, accelerating engine wear and increasing internal pollution. Regularly clean the crankcase. During engine operation, high-pressure unburned gases, acids, moisture, sulfur, and nitrogen oxides from the combustion chamber enter the crankcase through the gap between the piston rings and cylinder walls, mixing with metal particles from component wear to form sludge. Small amounts remain suspended in the oil, while larger amounts precipitate, clogging filters and oil passages, making engine lubrication difficult and causing wear. Regularly use radiator cleaner to clean the radiator. Removing rust and scale not only ensures the engine operates normally but also extends the overall lifespan of the radiator and engine.
7
3
Share

What does RDM mean in a car?

RDM in a car stands for random. In the context of automobiles, RDM typically refers to the random playback of multimedia music. Some car models have RPT next to RDM, which stands for repeat, meaning loop playback. There are many letters on car players besides RDM, including: VOL for volume, SEL for settings, MODE for mode, REW for rewind, FF for fast forward, and MUTE for mute. Common English abbreviations found in cars and their meanings: MAP for navigation, MANU for menu, OK for confirm key, RADIO for the car's broadcast system, MEDIA for the car's multimedia system, AC for the car's air conditioning system, MODE for mode switching, LEFT for left turn, RIGHT for right turn, LIGHT for lights, and SRS for airbags.
18
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.