They have a seperate device that enforces more conservative limits than what the car allows. https://comma-ai.medium.com/how-to-write-a-car-port-for-openpilot-

They have a seperate device that enforces more conservative limits than what the car allows. https://comma-ai.medium.com/how-to-write-a-car-port-for-openpilot-7ce0785eda84 https://comma-ai.medium.com/how-to-write-a-car-port-for-open... Any safety limits like on the eps firmware stays intact and aren't bypassed.