The fuel tank cap surprisingly conceals six functions

        In a world where technology and human life are closely intertwined, cars, as a part of our lives, are constantly improving. Today, we are going to discuss a feature that seems insignificant but actually embodies luxury and practicality - electric door. Electric suction doors, as the name suggests, are "electric suction" car doors. So is it really practical? Let’s find out. First, let us explain how the electric suction door works. Electric door suction uses an electromagnetic coil to generate suction to open or close the door. When the door is about 20 mm away from the lock body, the electromagnetic coil starts to work to attract the door lock and close the door. If the door is opened, the driver will push the door. I have to admit that the highlight of this technology lies in its sense of technology. The biggest advantages of electric suction doors are safety and convenience. Imagine that when you are holding a heavy object and cannot use your hands to close the car door, the electric suction door can automatically close it. Not only does it reduce the risk of the door being unable to close securely and causing the door to suddenly open, it also provides a convenient and quick way to open or close the door during busy or stressful moments. In addition, in terms of sound insulation and sealing, including the environment inside and outside the car, electric suction doors seem to have better effects than traditional car doors. A good electric suction door will also effectively reject the noise pollution inside the car and provide a quieter driving environment. Really, electric suction doors add a sense of luxury and high-end to the car. A model equipped with this feature is clearly a pursuit of comfort and convenience, which many consumers cannot resist. However, all the convenience and luxury do not come without a price. Although traditional manual doors are simple, they do not bring additional maintenance costs. Electric suction doors are different. Once a problem occurs, repair work is cumbersome and expensive. Every time we go to refuel, the car's fuel tank cap is the place we must open. However, most people rarely pay attention to the car's fuel tank cap, especially for some beginners who often think that the fuel tank cap is just for refueling. If you think so, you are overlooking the fact that the fuel tank cap contains a lot of key information for correctly using the car, as well as hidden practical functions. Drainage Hole in the Fuel Tank Cap: When you open the fuel tank cap of any car, you can see a small hole. This hole serves an important purpose: it allows drainage from the car's fuel tank. On rainy days, water may flow into the tank through the gaps in the fuel tank cap. If this drainage hole is absent, it could lead to water seeping into the fuel tank, potentially causing engine malfunctions and a risk of damage. It is crucial to regularly clean the drainage hole to prevent blockages. Proper Placement for the Removed Fuel Tank Cap: The cap removed during refueling has a designated position for placement. Allowing the fuel cap to dangle freely could result in it getting dirty with dust or potentially causing scratches, corrosion, or damage to the car's paint. Typically, there is a specific slot or hook on the exterior of the fuel filler cap side to securely place the removed cap. Indicator on the Dashboard for Fuel Tank Cap Direction: If you forget which side the fuel tank cap is on when refueling, especially for new drivers, an indicator on the dashboard's fuel gauge will have a small arrow pointing to the side where the fuel tank cap is located. This helps ensure that the fuel tank cap side is close to the refueling machine, making the refueling process more convenient. Emergency Cable for Opening the Fuel Tank Cap: If the fuel tank cap is difficult to open, never use a screwdriver to pry it open, as it may damage the cap. Most cars have an emergency cable for opening the fuel tank cap. This cable is usually located on the side of the trunk near the fuel tank cap. A gentle pull on this cable should open the fuel tank cap. Fuel Grade Information on the Fuel Tank Cap: Every time we go to refuel, the car's fuel tank cap is the place we must open. However, most people rarely pay attention to the car's fuel tank cap, especially for some beginners who often think that the fuel tank cap is just for refueling. If you think so, you are overlooking the fact that the fuel tank cap contains a lot of key information for correctly using the car, as well as hidden practical functions. Drainage Hole in the Fuel Tank Cap: When you open the fuel tank cap of any car, you can see a small hole. This hole serves an important purpose: it allows drainage from the car's fuel tank. On rainy days, water may flow into the tank through the gaps in the fuel tank cap. If this drainage hole is absent, it could lead to water seeping into the fuel tank, potentially causing engine malfunctions and a risk of damage. It is crucial to regularly clean the drainage hole to prevent blockages. Proper Placement for the Removed Fuel Tank Cap: The cap removed during refueling has a designated position for placement. Allowing the fuel cap to dangle freely could result in it getting dirty with dust or potentially causing scratches, corrosion, or damage to the car's paint. Typically, there is a specific slot or hook on the exterior of the fuel filler cap side to securely place the removed cap. Indicator on the Dashboard for Fuel Tank Cap Direction: If you forget which side the fuel tank cap is on when refueling, especially for new drivers, an indicator on the dashboard's fuel gauge will have a small arrow pointing to the side where the fuel tank cap is located. This helps ensure that the fuel tank cap side is close to the refueling machine, making the refueling process more convenient. Emergency Cable for Opening the Fuel Tank Cap: If the fuel tank cap is difficult to open, never use a screwdriver to pry it open, as it may damage the cap. Most cars have an emergency cable for opening the fuel tank cap. This cable is usually located on the side of the trunk near the fuel tank cap. A gentle pull on this cable should open the fuel tank cap. Fuel Grade Information on the Fuel Tank Cap: The fuel tank cap often indicates the recommended fuel grade. If it suggests using unleaded gasoline with an octane rating of 92 or higher, you can use 92, 95, or 98 octane gasoline. Adding higher octane gasoline can improve engine performance but may increase fuel costs. It's important to follow the recommendations to avoid issues like reduced power and increased fuel consumption. Tire Pressure Information on the Fuel Tank Cap: The fuel tank cap also provides information about the recommended tire pressure. Maintaining proper tire pressure is crucial for preventing tire blowouts. The recommended tire pressure is often based on the number of passengers and luggage in the car. Adjusting tire pressure according to the car's load conditions is essential for optimal performance and safety.