I always assumed this is triggered by Bluetooth connection to the car?
It’s likely based on motion through the gyro/accelerometers, it triggers on any vehicle I’ve tried. Works wonders on trains and subways as well.
It triggers for me on trains too, so I think it's just accelerometer + location
It’s likely based on motion through the gyro/accelerometers, it triggers on any vehicle I’ve tried. Works wonders on trains and subways as well.