[Eddy Cruze]

Are you sure the Dealer doesn't have to program the Key?

 

[Eddy Cruze]

So I left my car at the dealer overnight (luckily this happened in the parking lot after buying the new key) and they called me today saying the car started later that night with the original fob. They were also able to program the new key using the steps provided in the owners manual instead of using their "computer" that would have cost ~$50 (Which is why I was doing it myself in the first place.)

I'm going to assume that the car was in some sort of lock down mode and just needed to time out. The dealership said they didn't know what was wrong or why it started working again.

Well that's good news! What were they doing on the lot late at night? Was this the CRUZE immobilizer feature in action?