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Where is the fuel tank cap button on the 2021 Audi A6?

3 Answers
AllisonMarie
08/29/25 6:04am
The fuel tank cap button of the Audi A6 is located on the lower part of the driver's door, on the left side of the legroom, together with the front engine compartment switch. Below is a related introduction to the Audi A6: Power: The Audi A6L offers four engine options: 2.0TFSI, 2.5FSI, 2.8FSI, and 3.0TFSI, with the 2.5L engine being a newly added option. There are four transmission choices: a 6-speed manual transmission, an 8-speed multitronic continuously variable transmission, a manual-automatic integrated transmission, and a 7-speed Stronic dual-clutch transmission. Features: Standard equipment in the A6 series includes bi-xenon headlights, automatic headlight cleaning, and automatic light adjustment. Luxury and comfort features include leather steering wheel and seats, seat heating, wood trim, electric rear window sunshade, and BOSE sound system.
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McJustin
09/11/25 3:44am
I drive a 2021 Audi A6, and honestly, it doesn’t have a dedicated fuel tank cover button. After unlocking the car, you can simply press the outer side of the fuel tank cover to pop it open—very convenient. This design eliminates the risk of additional buttons getting stuck. The fuel tank cover is located on the right rear side of the car. When refueling, I just unlock the car, walk over, and give it a push—never had any issues. Just remember to check if the door locks are properly secured; if it doesn’t open, the lock might not be fully released or could be blocked by snow. Audi’s approach is practical, reducing the chance of electronic component failures and making driving easier. During regular car washes, I also clean the edges of the cover to prevent sticking, as plastic parts may wear over time. Overall, this mechanism is simple and reliable, easy for beginners to operate without needing to remember complex steps.
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ElliottRose
10/25/25 4:33am
As a long-time A6 owner, I can say the fuel filler cap doesn't have a separate button - it opens when pressed after unlocking. Located on the right side of the car, refueling is incredibly hassle-free. The design integrates with the door lock system, eliminating the need to search for buttons while enhancing both security and convenience. In rare cases when it won't open, just check the unlock status or give it a manual push. Audi's integrated solution is truly smart, reducing potential failure points. I always remind friends to unlock their cars before refueling. The body lines remain flawless without compromising aesthetics. Simply put, everything works seamlessly through door lock integration.
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