This release lever can be found to the lower left of your steering wheel under your instrument panel and is right next to your hood release lever. If you have difficulty locating it, take a look at the vehicle’s owner’s manual for a detailed diagram.
Once you pull this lever, the fuel door will pop open. From there, you can unscrew the gas cap counterclockwise in order to gain access to your gas tank—then, you can fill up the tank and screw the cap back on. Finally, simply press your fuel door inward to lock it again!