How to Open Fuel Door on the Chevy Sonic

Confused about how to open the fuel door to access the gas cap on the Chevy Sonic? You’re not the only one. Just follow this tutorial.

  1. Exit the vehicle. Note: There is no lever inside the vehicle to release the fuel door open.
  2. Locate the circular gas cap door on the rear passenger side of the Sonic above the rear wheel.
  3. Push in firmly on the left side of the fuel door, and it should spring open and reveal the gas cap.

You’re done!

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