To generate a set of codes, visit the the 2 - step verification page and scroll down to the backup codes area. (androidauthority.com)
For information about how ratings are kept up - to - date from one model year to the next, see the test verification page. (thekoreancarblog.com)
They've got quite a few titles now but only the original three on their website (which still has no working links past the age verification page). (kuriousity.ca)