Which country does Roewe belong to?

Should the Protective Film on the Car Center Console Be Removed?

As long as the protective film on the car screen does not affect the display or visual experience, it does not need to be removed. We often prefer to apply tempered glass screen protectors to devices like smartphones and tablets. Although the car's center console screen is unlikely to shatter from drops, scratches can still occur during driving and long-term use. Methods for maintaining the car center console screen: 1. If scratches appear on the center console screen and a protective film is applied, simply remove the old film and replace it with a new one. If there is no protective film, minor scratches can be gently rubbed with a soft towel dipped in vegetable oil or toothpaste for several minutes to effectively reduce their visibility. 2. When there are stains on the center console screen, use a soft towel lightly dampened with water or glass cleaner to wipe it gently. Avoid pouring liquid directly onto the screen to prevent water damage and potential short circuits. 3. During daily operation, avoid using excessive force or scratching the screen with hard objects like fingernails or keys to prevent damage.

13

5

Share

What are the standards for long-term and short-term fuel trim?

Short-term fuel trim is a real-time correction control of the fuel injection quantity based on the oxygen sensor's feedback regarding the air-fuel mixture richness or leanness in the previous working cycles; long-term fuel trim is an adaptive learning process performed by the electronic control unit based on the engine's long-term operating conditions. 1. Short-term fuel trim: Short-term fuel trim is an immediate strategy formulated by the electronic control unit based on the oxygen sensor's timely detection of exhaust gases. This correction is temporary, and its value changes instantly with the variation in oxygen content in the exhaust gases. 2. Long-term fuel trim: The change in the long-term fuel trim coefficient is a qualitative transformation formed by the electronic control unit based on the quantitative accumulation of consistently correct feedback results from short-term fuel trim. The establishment of long-term fuel trim aims to maintain all short-term fuel trim values within specific parameter ranges. The long-term fuel trim value is stored in the computer's memory for long-term use.

10

4

Share

What are the main functional classifications of automotive braking systems?

Automotive braking systems can be classified into the following two types based on their primary functions: 1. Service Brake System: Operated by the driver using the foot, hence also known as the foot brake system. Function: To decelerate a moving vehicle or bring it to a stop within the shortest possible distance. 2. Parking Brake System: Operated by the driver using the hand, hence also known as the hand brake system. Function: To keep a stationary vehicle immobile on various road surfaces. Below is a related introduction to automotive braking systems: I. An automotive braking system refers to a series of specialized devices that apply a certain force to specific parts of the vehicle (primarily the wheels) to enforce a certain degree of braking. II. Functions of the braking system: 1. To forcibly decelerate or even stop a moving vehicle as required by the driver. 2. To ensure stable parking of a stationary vehicle under various road conditions (including on slopes). 3. To maintain a stable speed for a vehicle moving downhill.

6

2

Share

What are the symptoms of a faulty car vacuum booster pump?

Here are the symptoms of a faulty car vacuum pump: 1. Poor braking performance or no braking effect, sometimes even leading to brake failure. 2. Visibly noticeable oil leakage at the external connections of the vacuum pump, and slow or non-returning brake pedal. Below is some related information about the car vacuum booster pump: 1. The function of the vacuum booster pump is to use the vacuum generated during engine operation to provide some assistance to the driver when braking, making it easier to press the brake pedal. If the vacuum booster pump is damaged, there will be no assistance, making the brake pedal harder to press. Generally, the vacuum pump cannot be repaired and must be replaced. 2. Its working principle is to use the vacuum from the engine's intake to provide braking assistance. It does not require special lubrication oil.

5

4

Share

Does turning on the car's power without starting the engine affect the vehicle?

No impact, it only consumes a small amount of electricity and will not affect the vehicle. However, if performing vehicle maintenance, be sure to disconnect the power to prevent the starter from engaging due to direct wiring, which can reduce the lifespan of wires and batteries and may cause spontaneous combustion. Here are some battery precautions: 1. Avoid storing the battery in a depleted state. A depleted state refers to when the battery is not recharged promptly after use, which can lead to sulfation. Lead sulfate crystals may form on the plates, blocking ion channels and resulting in insufficient charging and reduced battery capacity. 2. Conduct regular inspections. During use, if the electric vehicle's range suddenly drops by more than ten kilometers in a short period, it is likely that at least one battery in the pack has issues such as broken grids, plate softening, or active material shedding, leading to a short circuit.

13

4

Share

What to Do If Your Car Is Hit While Parked on the Roadside and the Culprit Cannot Be Found?

If your car is parked outside and gets scratched by another vehicle, you can check the dashcam to identify the other party's license plate number and then report it to the police. If there is no dashcam, you can also look for nearby surveillance cameras and request to review the footage. Ask around at nearby stores, businesses, or residences to see if anyone witnessed the incident. If you discover that your car has been scratched and the other party denies responsibility or refuses to compensate after communication, there is no need to continue negotiating—simply report the incident to the police.

18

0

Share

Which country does Roewe belong to?

Should the Protective Film on the Car Center Console Be Removed?

What are the standards for long-term and short-term fuel trim?

What are the main functional classifications of automotive braking systems?

What are the symptoms of a faulty car vacuum booster pump?

Does turning on the car's power without starting the engine affect the vehicle?

What to Do If Your Car Is Hit While Parked on the Roadside and the Culprit Cannot Be Found?

Which DMV Office Handles New Car Registration in Changsha?

What are the benefits of tubeless tires?

What are the effects of keeping the car in N gear for a long time?

Does automotive braking mean the same as braking?