Yeah, I was seeing the logout problem, too, for a couple days. Logged in, it would say “thank you for logging in”, but then I wasn’t logged it. Tried three browsers, but same thing. Seems to be better now?
Doesn’t happen on the phone.
2011 Equinox 1LT (new Jan 2011): Summit White / 3.0 L V6 / FWD / Pioneer Stereo / 18" Wheels / 138.2k miles [05-NOV-2019]
2002 Impala 1LT (new Jun 2002): Summit White / 3.4 L V6 / FWD / Cassette-CD Combo /225.5k miles [05-NOV-2019]