Can You Lock the Car with the Windows Open?

Does Eco Mode Affect the Engine?

Eco mode does not affect the engine. Here is a detailed introduction to eco mode: 1. Principle: It alters the characteristics of the accelerator pedal and the shifting logic of the transmission. Simply put, the engine throttle opening changes. For example, previously pressing the accelerator 20% would open the throttle 20%, but with ECO mode enabled, the throttle opening may reduce to 15% or even 10%. 2. Effect: Not only does it not harm the transmission, but it can also reduce transmission wear. The transmission's role is to "change speed and torque." With reduced force from the engine acting on the transmission, the power output decreases, which in turn minimizes wear between the transmission gears.

9

5

Share

Should You Shift to Neutral at a Red Light in an Automatic Transmission Car?

Whether to shift to neutral at a red light in an automatic transmission car depends on whether the power transmission device may overheat and fail. Details are as follows: 1. Theoretically, for automatic transmissions with a radiator, if the red light wait time does not exceed 30 seconds: shifting to neutral is unnecessary. 2. If exceeding 30 seconds: it is recommended to shift to neutral. 3. For automatic transmissions without a radiator: shifting to neutral is advised. 4. For vehicles equipped with auto start-stop: simply keeping the brake pedal pressed is sufficient. Relevant information about automatic transmissions is as follows: 1. Classification: There are various types of automatic transmissions, including AT, CVT, DCT, and DSG. 2. AT and CVT: AT and CVT transmissions are grouped together as they both use a torque converter as the power transmission device, relying on circulating hydraulic fluid to transfer power. The heat generated by the torque converter is dissipated by the hydraulic fluid to the transmission radiator, preventing the fluid from losing performance due to overheating. These devices are equipped with radiators. 3. DCT and DSG: DCT and DSG are called dual-clutch automatic transmissions, with the power transmission device further divided into wet and dry dual clutches. Wet dual clutches also have radiators, while dry dual clutches lack radiators, with heat dissipation efficiency equivalent to a manual transmission clutch. Overheating can burn the clutch plates.

13

2

Share

Can I Buy and Add Antifreeze by Myself?

You can add antifreeze to your car by yourself. Before adding antifreeze, it is necessary to clean the engine cooling system, especially during seasonal transitions. It is important to check the antifreeze level and add it promptly if it is insufficient. How to determine if antifreeze is low: Observe the antifreeze warning light on the dashboard. If it lights up, it is likely due to low antifreeze, although it could also be caused by excessively high cylinder temperatures. Check the antifreeze reservoir. If the fluid level is below the minimum mark (MIN), you should not continue driving and need to add antifreeze immediately. Check the water level marks on the antifreeze bottle. The antifreeze level should normally be between the maximum and minimum marks. If the antifreeze is below the minimum mark, it indicates a deficiency. Antifreeze replacement cycle: For vehicles that run for long hours, such as taxis, high-quality antifreeze should generally be replaced once a year. For vehicles with shorter running times, replacement can be done every two years or every 30,000 kilometers. To prevent excessive foam formation, which reduces the heat exchange efficiency between the antifreeze and engine components, ensure the product is within its validity period when adding it. Long-life antifreeze can remain effective for up to three years. If suspended particles, sediment, or signs of deterioration or discoloration are found in the antifreeze, the system should be cleaned and the antifreeze replaced promptly.

6

0

Share

What Causes Abnormal Power Loss in BMW Engines?

BMW engine abnormal power loss may be caused by fuel supply issues or ignition problems. Here are detailed explanations for the causes of abnormal power loss in BMW engines: 1. Fuel supply issues: Priority should be given to checking the fuel pump. Secondary checks include whether the fuel injectors are functioning properly, whether fuel atomization is adequate, and whether there are any fuel injector leaks. 2. Ignition problems: Possible causes include delayed ignition, damaged spark plugs, carbon deposits or oil contamination on spark plugs, excessive spark plug electrode gap, insufficient angle of the distributor centrifugal ignition advance device, or the vacuum ignition advance device failing to meet the requirements for ignition timing adjustment. Among these, the first step should be to check for carbon deposits or damage on the spark plugs, followed by checking the ignition timing, and finally examining other potential issues.

7

2

Share

What to Do When a Motorcycle Tire Gets Punctured by a Nail?

If it's a regular tire, you should immediately find the nearest repair shop for fixing. If the motorcycle uses a tubeless tire, you can still ride at a slower speed for a while. If a tubeless tire is punctured by a nail, do not pull it out; instead, slowly ride to a tire shop for repair. Here are some details about tubeless tires: 1. Introduction One: Tubeless tires, also known as 'low-pressure tires' or 'pneumatic tires,' are inflatable tires without an inner tube. In recent years, tubeless tires have become increasingly popular in bicycles, motorcycles, cars, buses, and trucks. 2. Introduction Two: Tubeless tires have high elasticity and wear resistance, along with excellent traction and heat dissipation performance. Especially all-steel radial tubeless tires, due to their economic durability, have been promoted by the National Economic Commission and the National Tire Association to the logistics and transportation industry.

17

5

Share

Will points be deducted if the trunk of a car is left open?

If the trunk of a car is loaded with items and the tailgate is left open, it can be very dangerous. While it may not necessarily result in points being deducted, if discovered, a fine may be imposed. This not only affects the driver but also poses a significant safety hazard to other road users by obstructing their view. Additional information: Currently, the rear license plates of most car models in China are fixed on the trunk lid. If the trunk is left open, the license plate number cannot be seen from the rear of the vehicle, which constitutes intentional concealment of the license plate and results in a 12-point deduction according to the law. A 12-point penalty leads to the temporary suspension of the driver's license, so leaving the trunk open can result in the suspension of the driver's license.

20

4

Share

Can You Lock the Car with the Windows Open?

Does Eco Mode Affect the Engine?

Should You Shift to Neutral at a Red Light in an Automatic Transmission Car?

Can I Buy and Add Antifreeze by Myself?

What Causes Abnormal Power Loss in BMW Engines?

What to Do When a Motorcycle Tire Gets Punctured by a Nail?

Will points be deducted if the trunk of a car is left open?

Which Gear to Use for Pulling Over?

How Long Can a Driving License Be Expired at Most?

How to Check Tire Pressure Monitoring on the 2021 Sagitar?

Can National VI Diesel Vehicles Enter Beijing?