What Causes the Burnt Smell in a New Car?

Will a novice be penalized for stalling at a traffic light and not moving?

Failure to proceed when the light turns green will result in penalties and fines. According to regulations: a red light indicates prohibition of passage, a green light indicates permission to proceed, and a yellow light serves as a warning. Driving against traffic signal instructions will incur a fine and a deduction of 3 points. When encountering traffic congestion at an intersection ahead, motor vehicles must wait in line outside the intersection and must not enter it. Below are common traffic violations: 1. Running a red light: This is the most common violation. Since the new traffic regulations were implemented, running a red light results in an immediate deduction of 6 points. 2. Driving without a license: If a driver continues to drive while their license is suspended, they will face a fine and 15 days of detention. Driving without a license or with a revoked license will result in 15 days of detention and a fine. 3. Overloading or overcrowding: For passenger vehicles exceeding the rated capacity by less than 20% or freight vehicles exceeding the rated load by less than 30%, a fine will be imposed. Exceeding these thresholds will result in higher fines. 4. Drunk driving: Driving under the influence of alcohol will result in a 3-month suspension of the driver's license and a fine. Driving a commercial vehicle under the influence will also result in a 3-month suspension and a fine. 5. Speeding: Exceeding the speed limit by more than 50% will result in a fine and revocation of the driver's license.

3

4

Share

Must the driver's license photo have a white background?

The background color of the driver's license photo should be white. Specific requirements: the background color must be white, no red clothing (affects stamping), women should not wear earrings, no photos with draped hair during shooting, men's hair should not be too long, the headshot must be clear with a natural expression. The photo size should be 32mm×22mm, with a head width of 14mm-16mm and a head length of 19mm-22mm. Documents required for applying for a driver's license: 1. The "Motor Vehicle Driver's License Application Form" filled out as per regulations; 2. Medical institutions at or above the county level designated by the provincial health bureau or military; 3. Original and photocopy of the applicant's identity proof; 4. Original and photocopy of the applicant's foreign driver's license (if applicable); 5. Six photos of the driver.

9

2

Share

What is the Dynamic Power Distribution System?

The Dynamic Power Distribution System is a set of dynamic power distribution systems developed by BMW. BMW's Dynamic Power Distribution System can accurately distribute driving force between the two rear wheels according to the needs of the rear axle, adjust the vehicle's posture to improve stability, thereby providing higher safety. Here are the relevant details: 1. When the vehicle turns right: The left rear wheel will transmit more power to the road, so the Dynamic Power Distribution System will allocate more driving force to the left rear wheel. 2. When the vehicle turns left: The Dynamic Power Distribution System will deliver more driving force to the right rear wheel, so in this case, the right rear wheel will transmit more power to the road. 3. When the vehicle is driving straight: The Dynamic Power Distribution System will deliver the same amount of power to both rear wheels, thereby achieving optimal traction.

1

5

Share

What are the effects of filling a car designed for 95-octane gasoline with 92-octane fuel?

Filling a car designed for 95-octane gasoline with 92-octane fuel does have effects. If you occasionally use the wrong gasoline grade, simply switch back to the correct grade after consumption. However, long-term use of the wrong gasoline grade can lead to the following impacts: For vehicles designed for lower octane fuel, accidentally using higher octane gasoline will not cause damage, but the increase in octane number will alter the fuel's ignition point, leading to delayed combustion in the engine. This means both the engine's power output and thermal efficiency will decrease, resulting in poorer performance as experienced by the driver. For vehicles designed for higher octane fuel, using lower octane gasoline can cause engine knocking. Due to the significantly lower octane number, the reduced ignition point may cause premature ignition during the compression stroke. If combustion occurs before the spark plug fires, resistance will arise during the upward stroke. This resistance makes the engine run very unstably. Mild knocking only increases noise without obvious engine damage, but noticeable knocking indicates severe engine conditions, affecting not only driving stability but also causing abnormal wear on pistons and cylinders, potentially leading to cylinder scoring in severe cases. Besides checking the recommended gasoline grade in the vehicle's manual, you can also find it on the fuel filler cap. Generally, the gasoline grade can also be determined by the engine's compression ratio: vehicles with compression ratios between 8.6-9.9 should use 92-octane gasoline, while those between 10.0-11.5 should use 95-octane. However, with modern technologies, compression ratio alone cannot determine the appropriate gasoline grade. High compression ratio engines can be tuned to use lower octane fuel because other factors such as ignition timing, turbocharging technology, and Atkinson cycle technology also play roles. Generally, higher octane gasoline has higher octane numbers and better anti-knock properties. 92-octane gasoline contains 92% isooctane and 8% n-heptane, while 95-octane gasoline contains 95% isooctane and 5% n-heptane.

4

Share

Should You Use Cold or Hot Air to Defog Windows?

Using hot air to defog windows is more effective than using cold air. There are several reasons why car windows fog up: 1. The window temperature is lower than the dew point: When the window temperature is below the dew point at a given air humidity, condensation forms on the window surface, which is the common fogging phenomenon seen on the windshield. 2. A temperature difference exists between the two sides of the window: When there is a temperature difference between the two sides of the window, and the saturated vapor pressure on the colder surface is lower than the surrounding environment's vapor pressure, moisture gathers on the glass surface, forming tiny water droplets that create fog. 3. The dew point is above zero degrees Celsius: If the dew point is above zero degrees Celsius, fogging occurs; if it is below zero degrees Celsius, frost forms instead.

15

4

Share

How Many Days Does It Take to Dry a Flooded Car?

It takes about ten days to dry a flooded car. Here is some relevant information about water-damaged vehicles: 1. Concept: A water-damaged car refers to a vehicle that has been submerged in water, typically affecting the engine and transmission. The immersion depth exceeds the wheels and body seats, with the vehicle's underbody components being in prolonged contact with water. Such vehicles pose significant risks, as the electrical circuits are prone to short circuits and even fires. 2. Insurance: There are two types of insurance related to water damage in vehicles. One is the most common auto damage insurance, and the other is called engine special loss insurance, commonly known as flood insurance.

1

Share

What Causes the Burnt Smell in a New Car?

Will a novice be penalized for stalling at a traffic light and not moving?

Must the driver's license photo have a white background?

What is the Dynamic Power Distribution System?

What are the effects of filling a car designed for 95-octane gasoline with 92-octane fuel?

Should You Use Cold or Hot Air to Defog Windows?

How Many Days Does It Take to Dry a Flooded Car?

Where is the Buick Regal water temperature gauge sensor located?

How long does it take for a tire to bulge after rubbing against a curb?

What is the reason why the rear light of Corolla is always on and cannot be turned off?

Should I Replace One or Both Front License Plates If One Is Lost?