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What are the hazards of running the air conditioning while the car is stationary?

1 Answers
GageRose
07/29/25 9:28pm
Hazards of running the air conditioning while the car is stationary: Increased fuel consumption, additional engine load leading to engine wear, and accelerated belt wear. Prolonged idling affects engine carbon buildup, making cylinder carbon deposits more likely. Running the AC while idling can drain the battery. When the vehicle is stationary with the AC on and windows closed, lack of air circulation allows carbon monoxide from the exhaust to accumulate inside the cabin, potentially causing poisoning. If parked in a garage with the AC on while napping, even with windows open, it remains dangerous as garages are relatively enclosed spaces.
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Do You Need to Press the Brake for One-Button Start?

One-button start requires pressing the brake to ignite and start the engine. When starting the engine, you must press the brake pedal. If the brake pedal is not pressed, the engine will not start. This is a safety design in cars to prevent accidental activation of the switch, which could cause the vehicle to suddenly move forward. When the vehicle is turned off, pressing and holding the one-button start for 3 seconds without stepping on the brake will only power the electrical system without starting the engine. For some models, you need to press the ignition switch twice. Cars with one-button start are usually automatic. During one-button start, the engine goes through a high-speed starting process. If the driver does not press the brake, it may cause the car to lurch forward unexpectedly, potentially leading to a rear-end collision. Cars equipped with a one-button start system allow the driver to start the engine simply by carrying the key into the vehicle. There is no need to insert or turn the key—just press the brake pedal and the start button to ignite the engine. The one-button start system was originally used in racing cars, enabling drivers to quickly start the engine and get into the race. Later, this system was adopted for civilian vehicles. In addition to pressing the brake, when starting a one-button start car, it is also important to ensure the gear is in the P (Park) position. If the gear is not in P, the car will not start. If pressing the one-button start does not elicit any response, it could be due to a dead key battery or interference from nearby sources. In such cases, bringing the smart key close to the one-button start button while pressing the brake and the start button may allow the car to start.
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What kind of engine oil is suitable for the Land Cruiser 4000?

Land Cruiser 4000 is suitable for moderately priced engine oils such as Mobil, Shell, Castrol, and Total. Below are the relevant details about the Land Cruiser 4000: 1. Exterior: The Land Cruiser 4000 has dimensions of 4950×1970×1880mm (length/width/height) and a wheelbase of 2850mm. 2. Performance: Maximum torque: 376NM/3800RPM; Transmission type: 6-speed automatic transmission; Fuel tank capacity: 138L; Cylinder arrangement: V; Combined fuel consumption: 10.99L/100KM; Drivetrain: Full-time four-wheel drive.
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What is the solution for Peugeot 408 burning engine oil?

The solution for Peugeot 408 burning engine oil is to replace the new valve seals. The following is an introduction to engine oil-related content: 1. Increased fuel consumption: When adding engine oil, the amount of oil should be between the upper and lower limits of the oil dipstick. If too much engine oil is added, the engine temperature will rise and the volume will expand, causing an increase in oil chamber pressure and running resistance, which will lead to a decrease in car power and an increase in fuel consumption. 2. Overfilling engine oil: If too much engine oil is added, the vent pipe of the crankcase will leak oil, and the pressure of the crankcase will increase. The oil seal will be loosened by the oil pressure, which will lead to oil leakage. 3. Heat dissipation: Overfilling engine oil will affect the heat dissipation of the engine.
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What are the exterior differences between BMW 320 and 325?

There are no significant differences in appearance. Here are the specific details about BMW: 1. Background: BMW cars refer to vehicles produced by Bayerische Motoren Werke AG (abbreviated as BMW). The main series include the 1, 2, 3, 4, 5, 6, 7, and 8 series. The company is renowned worldwide for manufacturing luxury cars, motorcycles, and high-performance engines. 2. Logo Meaning: The BMW logo features a double-circle design with the word "BMW" inscribed above the circles. The entire emblem resembles the blue sky, white clouds, and a continuously rotating propeller, symbolizing BMW's long-standing history and its consistent mission and goals. It represents the company's commitment to meeting customers' highest expectations with the latest technology and advanced concepts across vast horizons, reflecting BMW's dynamic spirit and ever-evolving innovation. It also signifies the superior quality, technological leadership, and global presence of BMW cars.
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What are FAW, Second Automobile Works and the Third Automobile Works?

FAW and Second Automobile Works refer to the First Automobile Works and the Second Automobile Works respectively. Currently, there is no Third Automobile Works. 1. First Automobile Works: China's first large-scale automobile manufacturing enterprise, located in the western suburbs of Changchun City, Jilin Province. Construction began in 1953, and it was officially completed and put into production in 1956. It has more than 70,000 employees. With the First Automobile Works as the core, the China FAW Group, composed of more than 110 enterprises, is mainly engaged in the development, production, and sales of medium, light, and mini vehicles, cars, buses, and various special-purpose vehicles. The main products include the CA141 five-ton truck and its series products, the CA630 Hongqi luxury tourist bus, the Hongqi brand luxury sedan, and the Audi brand luxury sedan. 2. Second Automobile Works: Established in 1969, it was later renamed 'Dongfeng Motor Corporation'. In recent years, after another restructuring, it established 'Dongfeng Motor Co., Ltd.' 3. There is no Third Automobile Works in China, but many people want to establish one, or there are some named after other regions as the Third Automobile Works.
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What is the maximum speed for motor vehicles driving on icy and snowy roads?

Motor vehicles driving on icy and snowy roads have a maximum speed limit of 30 kilometers per hour. The following is relevant information about road traffic regulations: 1. Regulation: Article 46 of the "Implementation Regulations of the Road Traffic Safety Law" stipulates that when driving on icy or muddy roads, the maximum speed of motor vehicles shall not exceed 30 kilometers per hour. 2. Hazards of speeding: When speeding, drivers cannot fully and accurately perceive changes inside and outside the vehicle. For example, when a car is traveling at 50 kilometers per hour, it advances 1.39 meters in 0.1 seconds, with objects outside the window passing by in a flash. However, it takes 0.4 seconds for a person to sense a target within their field of vision and an average of 1 second to clearly see an object. If the speed is too high, it becomes impossible to obtain sufficient road information, increasing the risk of traffic accidents.
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