The CR-Z2 v1.2 is supported by multiple software stacks:
Upgrade instructions and release notes are available here → [link]
If you see an error about "No DFU device found," hold the BOOT button while resetting the board to enter the bootloader manually.
The Honda CR-Z was first introduced in 2010 as a hybrid sports car that combined the best of both worlds - performance and efficiency. The CR-Z was designed to appeal to driving enthusiasts who wanted a car that was not only fun to drive but also environmentally friendly. The original CR-Z was powered by a 1.5-liter inline-four engine and an electric motor, producing a combined output of 122 horsepower.