Ok, that is Zhinan Bus Company
Bus ends at Zhinan Bus Anhe Station in Sindian. 指南客運安和站
That’s likely where your keys will be.
They’re still open. Last bus will be there in about 45-60 minutes at the time of this writing.
If you jump in a taxi/Uber and you feel your Chinese isn’t up to snuff and still unable to call, then I’d give the taxi driver this address
1 Anhe Road Section 2 Sindian District
If it isn’t that urgent, then hopping on the 202 bus to the end will help. The last buses have been deployed and are passing Taipei Main Station at the time of this writing.