@freemor@identi.ca relevant links:

http://www-odi.nhtsa.dot.gov/acms/cs/jaxrs/download/doc/UCM483033/RCAK-15V461-4967.pdf

https://ics-cert.us-cert.gov/alerts/ICS-ALERT-15-203-01

http://www.driveuconnect.com/software-update/