Got this info from local dealer:
Event Code..Event Description……………………..Time Stamp.End Date
1100………….Preliminary Order……………………..07/27/2017.08/07/2017
1102………….Added thru Web………………………..07/27/2017.09/19/2017
2000………….Accepted by GM………………………..08/07/2017.08/08/2017
2500………….Preferenced………………………………08/08/2017.08/08/2017
3000………….Accepted by Production Control..08/08/2017.08/24/2017
3100………….Available to Sequence……………….08/24/2017.08/24/2017
3300………….Schedule for Production……………08/24/2017.08/29/2017
3400………….Broadcast………………………………….08/28/2017.09/19/2017
3800………….Produced…………………………………..09/19/2017 (have the VIN#)
4000………….Available to Ship………………………..09/23/2017
4150………….Original Invoice………………………….09/25/2017
4200………….Shipped / From Lake Orion………..09/26/2017
4300………….To Toledo OH / Cassens Transp…09/28/2017
4B00………….Bayed………………………………………..09/29/2017
At this point still waiting for car…