Challenges related to the recent Honda keyfob replay attack.
The car had a big sheet of paper with a QR code on it. I scanned the QR code, and it brought me to a Github page with Flipper Zero firmware that can perform a replay attack to unlock the doors:
FlipperZero Honda Hack Firmware
Website for flipper zero firmware says the FCC ID is:
KR5V2X
HINT: Check the available frequencies on Flipper with custom firmware
From the same firmware page:
433.65