No. While MISRA C was created for cars, the ISO standard is ISO 26262. MISRA C is not required for ISO 26262, but it does satisfy some of its requirements and so most C developers will use it.
Iso 26262 do not quote misra, but everything which it asks is basically contained in misra
> Iso 26262 do not quote misra
It doesn't require MISRA, but it does actually mention it as an example.