← YAW
GPS
NIGHT
DEBUG
◎ Sonoma Raceway · track guide
Mount the phone rigidly, hold the car still, then start. Calibration takes ~1–2 s at rest.
Start session
⦿ auto-record off
🔊 voice off
🎙 engine audio off
📡 go live off
▷ Demo (no car) — replay a figure-eight