You mean the collider bug? If you have it use this fix:
CSP v180p346 users must uncheck this option: Settings → Custom Shaders Patch → General Patch Settings → (scroll down) → “Enable cars mesh collider sooner”
CSP v180p346 users must uncheck this option: Settings → Custom Shaders Patch → General Patch Settings → (scroll down) → “Enable cars mesh collider sooner”