I've found a simple way to have a walk button mapped, and the method seems to work just fine to have a modifier for steering, accelerating and braking as well.
With these, you'll be able to enjoy the look of the game walking around the city, but most importantly you can drive around without smashing into every other car at every corner, and you can turn at high speed without spinning 720° every time.
The attached file is my current InputUserMappings.xml, it contains all the following, and Ausanan1's left CTRL for dedicated dodge as well.
For manual edit:
Originally the ...\Cyberpunk 2077\r6\config\InputUserMappings.xml starts with:
`*
