How to turn on the air conditioning internal and external circulation for BMW X3?

What Causes Jerking When Starting in D Gear with an Automatic Transmission?

Automatic transmission jerking when starting in D gear is caused by: 1. Internal contamination: Persistent dirt and impurities inside, especially when they accumulate in the valve body and form blockages, preventing effective regulation of oil pressure, leading to jerking, impact, and slippage issues. 2. Excessive vehicle temperature: High temperatures can degrade the quality and friction characteristics of automatic transmission fluid, increasing friction and wear, resulting in transmission noise. Additionally, sludge (impurities or dirt) can form inside the transmission (e.g., in the valve body), causing jerking and impact. If the temperature exceeds 120°C, rubber sealing materials begin to harden, eventually leading to leaks and reduced hydraulic pressure. At even higher temperatures, the transmission may start to slip, which in turn further raises the temperature.

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Why Does High-Speed Driving Consume More Fuel?

Vehicles experience greater air resistance at high speeds, and the faster the speed, the more fuel is consumed. Here are some precautions for high-speed driving: 1. Identify lanes and road signs clearly: On highways, the lane closest to the median barrier is the overtaking lane. Avoid staying in the overtaking lane for extended periods unless overtaking. The far-right lane is usually the emergency lane; never overtake from the emergency lane as it is very dangerous. 2. Speed control: Pay attention to your driving speed. On highways, slower isn’t always safer. A speed of 80 to 100 km/h is generally safer for small cars. Driving too slowly may cause following vehicles to fail to avoid in time, increasing the risk of rear-end collisions. 3. Light selection: Use high beams when driving at night and activate the left turn signal when overtaking.

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What is the difference between DM-i and DM-p?

They use different technologies and follow different approaches. Below are the relevant introductions: 1. Different technologies: Although BYD's DM-i and the previous DM technology have similar names, DM-i is a completely redesigned plug-in hybrid system. The most fundamental difference is that the previous DM used parallel direct drive, where its engine and transmission could be used to drive the vehicle, and the engine as well as kinetic energy recovery could charge the battery to support the motor in driving the vehicle. 2. Different approaches: DM-i models focus on economy rather than the previous performance-oriented approach. It adopts a hybrid form where both the engine and motor use single-gear transmission. Therefore, the BYD Tang DM-i only has a single-speed reducer without a traditional multi-gear transmission. As a result, the biggest highlight of the BYD Tang DM-i product is its high fuel economy.

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What are the precautions after applying car wrap?

Precautions after applying car wrap include avoiding car washing. Here are specific precautions after applying car wrap: 1. Avoid car washing: It is best not to wash the car within a week after applying the car wrap. If the weather is rainy, this period should be extended. Washing the car before the wrap has fully adhered to the body may cause issues such as the wrap shifting, especially when using a high-pressure water gun to flush the gaps, which can lead to edges lifting or even the wrap peeling off. 2. Avoid adding small accessories or decorations to the car body after applying the wrap: During cleaning, this can cause bubbles at best or completely detach the wrap at worst.

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Does peeling paint on car rearview mirrors have any impact?

Peeling paint on car rearview mirrors does not affect their functionality. Here are specific details about rearview mirrors: 1. Reasons for looseness: Generally, the looseness of the interior rearview mirror is caused by the hanging of a dashcam or heavy decorative items. If the connection between the interior rearview mirror and the windshield becomes loose, glue can be used to secure it. If the ball joint of the rearview mirror is loose, tools can be used to tighten the screws. 2. Adjustment method: For adjusting the interior rearview mirror, first adjust the seat to a comfortable position, then align the horizon to the center of the rearview mirror, ensuring a full and clear view of the rear windshield.

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Will parking a car in an underground garage be affected by a typhoon?

Parking a car in an underground garage can be affected when a typhoon comes. The reasons are as follows: 1. Risk of flooding: Typhoon weather is usually accompanied by heavy rain, which may rush into underground parking garages, causing cars to be flooded. 2. Liability for damages: If a vehicle is flooded in an underground parking garage, the owner may have to bear most of the losses themselves. During a typhoon, cars should be parked in: 1. Open parking lots: Large parking lots around office buildings and shopping centers reduce the possibility of vehicles being hit by foreign objects to some extent. Although open spaces are more susceptible to typhoon impacts, they are definitely safer than parking spaces along busy streets. 2. Secure rooftop parking spaces: If there are no open parking lots, cars can also be parked in stable rooftop parking spaces, including those located on the first floor of community buildings. These parking spaces have stable structures, eliminating worries about cars being hit by heavy objects around them, and they also provide some shelter from wind and rain.

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How to turn on the air conditioning internal and external circulation for BMW X3?

What Causes Jerking When Starting in D Gear with an Automatic Transmission?

Why Does High-Speed Driving Consume More Fuel?

What is the difference between DM-i and DM-p?

What are the precautions after applying car wrap?

Does peeling paint on car rearview mirrors have any impact?

Will parking a car in an underground garage be affected by a typhoon?

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