[fabiensanglard]

Source (i assume you read the source code and know where these checks are)?

[enragedcacti]

https://github.com/commaai/openpilot/blob/a2ae18d1dbd1e59c38...

[enragedcacti]

This was harder to find but this is where caps for steering are set in OpenPilot:

https://github.com/commaai/openpilot/blob/a2ae18d1dbd1e59c38...

[enragedcacti]

Last but not least, here is brake and gas limiting:

https://github.com/commaai/openpilot/blob/a2ae18d1dbd1e59c38...