Originally Posted by
bocastephen
You can try what I did - just scan your SFO-Asia boarding pass in the Polaris lounge. The system didn't reject me, so that could be why I was let in. Don't ask questions or say anything, just walk in, scan your boarding pass and if the agent welcomes you, keep quiet and just go in. If the agent says no, then my entry was an error.
From my experiences, it seems that the system is coded to allow access within 24h of the first segment on an itinerary including a Polaris segment, but some agents like to read over the BP before scanning and may intercede to avoid letting you in.