How to Open the Fuel Tank Cap on a Buick Regal?

2 Answers
StLiam
07/29/25 6:19am
To open the fuel tank cap on a Buick Regal, follow these steps: Unlock the central locking system from inside the car, then press the fuel tank cap to open it. The functions of the fuel tank include: 1. Displaying the recommended fuel grade for the vehicle; 2. Showing the standard tire pressure values; 3. Equipped with a vent hole to drain rainwater. Taking the Buick Regal 2020 model as an example, it features a 4-door, 5-seat sedan body structure with dimensions of 4904mm in length, 1863mm in width, and 1461mm in height, a wheelbase of 2829mm, and a fuel tank capacity of 55 liters. The Buick Regal 2020 is powered by a 1.5T turbocharged engine, delivering a maximum power of 124kW and a maximum torque of 250Nm, paired with a 9-speed automatic transmission.
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McCatherine
08/12/25 9:46am
As a seasoned Buick Regal driver with years of experience, opening the fuel tank cap is quite simple. There's usually a raised button near the driver's side door storage compartment, marked with a fuel tank icon—just press it gently to open the cap. Alternatively, the car key remote might have a dedicated button for this purpose. Always remember to turn off the engine and engage the handbrake before refueling, and keep away any ignition sources. The fuel cap has a built-in lock that only activates after unlocking the car. I’ve encountered situations where the button felt sticky on rainy days, but an extra press usually loosens it. Don’t overlook the fuel cap’s sealing ring—inspect it every six months for cracks or leaks, as replacing this small part can prevent major issues. After refueling, ensure the cap is tightly closed to prevent fuel vapor emissions and environmental pollution. The overall design is user-friendly, making the process quick (under a minute), and even beginners can master it with minimal practice.
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