Then you don't know the motor industry very much as it has very strict coding standards like ISO 26262, the code has to be audited internally and by certified 3rd parties with every release to meet the development cycle requirements of the standards.
http://www.ldra.com/en/software-quality-test-tools/group/by-....
The industry also has specific coding standard for every language that is used in embedded systems like MISRA-C https://en.wikipedia.org/wiki/MISRA_C