How to Open the Buick Fuel Tank Cap?

1 Answers
DiBella
07/29/25 5:01pm
Buick fuel tank caps consist of an inner cap and an outer cap. The outer cap can be opened either electronically via a button or mechanically via a key. The electronic button or mechanical lever is usually located on either side of the driver's seat, marked with a fuel pump icon. Simply press the button or pull the lever, and the fuel tank door will open automatically. The inner cap becomes visible only after the outer cap is opened. The inner cap is made of plastic and can be tightened by turning it to the right or opened by turning it to the left. Below is some relevant information about Buick fuel: 1. Before refueling, turn off the engine and ensure all doors and windows are closed. The fuel type is unleaded gasoline, and ethanol-blended gasoline with up to 10% ethanol content is permitted. 2. The fuel type is unleaded gasoline with an octane rating of 92 or higher. When using ethanol-blended gasoline with up to 10% ethanol content, ensure the octane rating of the ethanol gasoline meets the above standards.
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