How to Open a Car Fuel Tank Cap?

2 Answers
SanSadie
07/24/25 8:03am
Method to open a car fuel tank cap: The fuel tank cap of a car is divided into an inner cap and an outer cap. The outer cap is controlled by an electronic control line, and some require a key to open. The electronic control button or pull rod is usually located on either side of the driver's seat, marked with a fuel pump symbol. Simply press or pull to open it automatically. The inner cap is only visible after opening the outer cap; turning it to the right tightens it, and turning it to the left opens it. The fuel tank cap refers to the square-shaped, stainless steel container on a car used for storing gasoline, with excellent sealing. It has only a small circular opening, about the size of a bottle cap, for easy storage. It is generally located at the rear of the car.
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LaAniyah
08/11/25 3:45am
As an experienced driver with years behind the wheel, I often teach people how to open the fuel tank cap: Step one, get into the car and make sure the engine is turned off for safety. Step two, locate the dedicated fuel tank cap button inside the car, usually found to the left of the steering wheel or on the door panel, and press it gently to release the lock and pop open the fuel tank cap. If the car is an older model without a button, you'll have to manually twist open the cap after getting out of the car. Before refueling, remember to park the car on level ground and engage the handbrake to prevent fuel leakage or slipping accidents. If it won't open, don't rush to force it; check if the car key is in the ACC position to unlock the door locks. Some car models have the lock near the bumper, which can get stuck if dirty—just spray some lubricant to fix it. In short, make it a habit to check that the cap is tightly closed after refueling to prevent fuel odors or water damage to the car's paint.
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