[1] Volkswagen Infotainment Web Interface protocol definition () https://www.w3.org/Submission/2016/SUBM-viwi-protocol-20161213/

Accept: application/vnd.viwi.v<MAJOR>.<MINOR>.<PATCH>+json

To access the API version 1.4.2 the Accept Header would be:

Accept: application/vnd.viwi.v1.4.2+json