The first step is figuring out where the wiggle is coming from. I think you should stuck your head or a camera under the dash and check the pedal assembly. If you don't have an Olympic gymnast-like ability to contort your body under the dash, a good trick with these new-age smart phones is to stick your camera under there while recording a video with the flashlight, and wiggle the pedal until you can see where the wiggling ends.

It sounds to me like the pedal is loose in it's mounting bracket, rather than just a loose pin where the pedal connects to the master cylinder fork, though it still could be something as simple as a loose bolt.

It may be something you can fix yourself, but as 'dlu' suggested, I think you should take the car to the dealer so the problem documented, just in case you encounter the same problem down the road. especially since you're still under warranty. If you can pinpoint the source of the wiggle and show them the video evidence it may may expedite the service too!

Good luck!

The first step is figuring out where the wiggle is coming from. Stick your head or a camera under the dash and check the pedal assembly. If you don't have an Olympic gymnast-like ability to contort your body under the dash, a good trick with these new-age smart phones is to stick your camera under there, record a video with the flashlight, and wiggle the pedal until you can see where the wiggling ends.

It sounds to me like the pedal is loose in it's mounting bracket, rather than just a loose pin where the pedal connects to the master cylinder fork, though it could still be something as simple as a loose bolt.

It may be something you can fix yourself, but as user 'dlu' suggested, I think you should take the car to the dealer so the problem can be documented, just in case you encounter the same problem down the road. especially since you're still under warranty. If you can pinpoint the source of the wiggle and show them the video evidence it may may expedite the service too!

Good luck!