What does the B gear in new energy vehicles mean?

What brands does Lexus have?

Lexus, also known as Lexus in some regions, is a premium brand under Toyota. Toyota owns brands such as Toyota, Lexus, Daihatsu, Subaru, and Mercury. The relationship between Lexus and Toyota is similar to that of Rolls-Royce and BMW, Bentley and Volkswagen, and Acura and Honda. Here is some relevant information: 1. Lexus was founded in 1983 and is a globally renowned luxury car brand under the Toyota Group. Within just over a decade, its sales in North America surpassed those of Mercedes-Benz and BMW. 2. From 1999 onwards, Lexus held the top position in U.S. luxury car sales for 11 consecutive years. In 2005, Lexus successfully entered the Japanese domestic market, becoming a premium car brand sold globally. Initially, Lexus used the slogan 'The Relentless Pursuit of Perfection' in the U.S., which later became 'The Pursuit of Perfection' for its marketing campaigns worldwide.

7

4

Share

Is it okay if the car window is left open and rain gets inside?

If you forgot to close the car window during rain and only a small amount of water entered, it generally indicates minimal impact. However, as a precaution, it is advisable not to turn on any electronic devices inside the car, such as lights or starting the engine, to prevent short circuits caused by water exposure. You can use the key to open the car door. If it is still raining, cover the car with an umbrella or waterproof cloth. Relevant information about car windows is as follows: 1. Introduction: The car window (car-window) is an essential part of the vehicle body, designed to meet the needs of interior lighting, ventilation, and visibility for drivers and passengers. 2. Window Names: Car windows are categorized based on the installation position of the glass: front and rear windshields, side windows, and door windows. The design, structure, and quality of the windows significantly affect the driver’s visibility, passenger comfort, exterior aesthetics, and aerodynamic characteristics.

14

4

Share

Does short-term water wading have a significant impact on vehicles?

If a car is submerged above half-wheel height, it will be affected because at this height, improper operation may lead to water entering the cabin, engine, or transmission, posing risks. This can result in significant repair costs and reduce the vehicle's resale value. If the car experiences jerking after wading through water, first check if the transmission has taken in water. If so, replacing the brakes may help. Below is a partial introduction about the jerking sensation in cars: 1. Special circumstances: Check if the ignition system has taken in water. Sensors or the intake system being wet can cause the air filter to become damp, affecting the air intake and introducing a small amount of water. 2. Causes: The transmission oil circuit may be obstructed or not flowing smoothly. Wear on the oil circuit plate, long-term lack of transmission oil changes leading to deterioration and reduced lubrication, or a dirty transmission filter with poor filtering can allow fine wear particles to enter the valve body.

8

0

Share

Is it necessary to replace a pair of tires when one is blown out?

Tire blowout requires replacing a pair. If only one tire is replaced, the new tire must have a tread groove depth similar to the other tire on the same axle; otherwise, it may cause issues such as vehicle deviation. Here are some relevant details: 1. Tires are one of the most critical components of a vehicle, designed to accommodate high-speed performance, reduce driving noise, and ensure safety, handling stability, comfort, and fuel efficiency. 2. Factors like excessive tire pressure and aging can easily lead to blowouts. The inflation pressure must comply with national standards specified for different types and specifications of tires. Regularly check tire pressure, as both overinflation and underinflation can cause irregular wear, tread groove cracking, cord breakage, ply separation, and tire bursts. For sustained high-speed driving, it's advisable to increase the pressure by 5%-10% above the standard. Additionally, tire pressure rises due to temperature increases after driving, and deflating at this time is not recommended. The typical lifespan of a tire is about 2-3 years or 60,000-100,000 kilometers; once these conditions are met, replacement is necessary.

14

0

Share

What is the amperage of a 12v cigarette lighter fuse?

12v cigarette lighter fuses are generally 15 amps. The fuse for the cigarette lighter is located in two places: one is below the driver's seat inside the car where you can see the fuse box, and the other is in the engine compartment where another fuse box is visible. The cigarette lighter is a component found in all cars, designed to provide a convenient ignition source for smokers. Common mistakes when using the cigarette lighter include: 1. Not unplugging external devices when starting the car: During vehicle startup, external devices connected to the cigarette lighter can easily burn out due to the high current surge, especially MP3 players and USB drives, which are particularly prone to issues. Therefore, it's best to unplug them before starting the car and reconnect them after the engine is running. 2. Not unplugging external devices when turning off the car: Depending on the vehicle's settings, some cigarette lighter sockets remain powered even after the car is turned off, which can lead to unnecessary battery drain if external devices are left plugged in for extended periods. 3. Wiggling during plugging and unplugging: Frequent movement while inserting or removing devices can deform the spring contacts of the plug, leading to poor contact and intermittent connectivity issues. 4. Constantly bumping the cigarette lighter plug while operating the car, causing it to become loose.

6

1

Share

What is the valve adjustment mnemonic for a 6-cylinder diesel engine?

For a six-cylinder diesel engine, the firing order is 1-5-3-6-2-4. When the No. 1 cylinder piston is at top dead center (TDC), you can adjust the intake and exhaust valves of No. 1 cylinder, the exhaust valves of No. 3 and No. 5 cylinders, and the intake valves of No. 2 and No. 4 cylinders. Then, rotate the crankshaft one full turn, and when the No. 6 cylinder piston is at TDC, you can adjust the intake and exhaust valves of No. 6 cylinder, the intake valves of No. 3 and No. 5 cylinders, and the exhaust valves of No. 2 and No. 4 cylinders. Here are some relevant details: 1. Simply put, when rotating the flywheel, observe the pushrods of the intake and exhaust valves of the No. 1 and No. 6 cylinders. You will notice that one cylinder's pushrod remains fully extended while the other does not. When it reaches TDC, it cannot be adjusted further. Generally, the valve clearance for the intake valve of a diesel engine is 0.25-0.30 mm, and for the exhaust valve, it is 0.35-0.40 mm. 2. The valve consists of a valve head and a stem. The valve head operates at very high temperatures (intake valve: 570~670K, exhaust valve: 1050~1200K) and is subjected to gas pressure, valve spring force, and the inertia force of the transmission components. Due to poor lubrication and cooling conditions, the valve must possess sufficient strength, stiffness, heat resistance, and wear resistance. Intake valves are typically made of alloy steel (chromium steel, nickel-chromium steel), while exhaust valves are made of heat-resistant alloys (silicon-chromium steel). Sometimes, to save on heat-resistant alloy materials, the exhaust valve head is made of heat-resistant alloy, and the stem is made of chromium steel, with the two parts welded together.

4

2

Share

What does the B gear in new energy vehicles mean?

What brands does Lexus have?

Is it okay if the car window is left open and rain gets inside?

Does short-term water wading have a significant impact on vehicles?

Is it necessary to replace a pair of tires when one is blown out?

What is the amperage of a 12v cigarette lighter fuse?

What is the valve adjustment mnemonic for a 6-cylinder diesel engine?

Does Unmanned Car Washing Damage Car Paint?

How Long Does Gasoline Last in the Fuel Tank?

What Problems Can Occur When Adding Sugar to an Engine?

What Causes Severe Body Vibration When Accelerating?