I was shocked to read that GM was the second major (first if you don't count Tesla as major) automaker to set up a responsible disclosure program. [1]
1. http://arstechnica.com/security/2016/01/gm-embraces-white-ha...
https://bugcrowd.com/tesla
I know that GM has done many bad things and done many things badly in the past, but it does seem that an old dog can learn new tricks.
https://bugcrowd.com/tesla