I got my 17.3.2 update this morning and went for a drive for a few hours. TACC works fine, but I was surprised at the autosteer restrictions. The release notes say it's available for "restricted-access highways" and based on the comments and videos posted I assumed this meant divided highways. It appears that's not the case. After about a 2 hour drive in the DC area this seems to be limited to interstate highways like 95/495/66 and the Dulles Toll Road. The problem is that autosteer is limited to 45mph and the speed limit on all of these roads is 55+ and the traffic is usually going 65+. Doesn't seem to help if you are in stop and go traffic right now either since the autopilot turns off if you go below 5mph. Guess I'll have to wait for another update to actually be able to use autosteer.