I dont think brz comes with auto stop\start to save fuel.
I think you need to turn off traction controll to do burnouts.
With motor running press and hold the Traction button in centre console the one with squiggly lines on it. Press and hold it for 5 seconds then orange light on dash should iluminate. Then you can do burnouts
https://practicalmotoring.com.au/car...baru-brz-work/