> For the complete documentation index, see [llms.txt](https://dahl-design.gitbook.io/ddc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dahl-design.gitbook.io/ddc/switch-library/car-control-functions.md).

# Car control functions

Here are functions that will impact the way your car drives/works. Many of them will require a sim that supports secondary throttle and brake inputs. Meaning you map out your pedals for brake and throttle, but can also use a second set of inputs that can override the pedals. iRacing supports this.