From this OPs point of view though, in your situation it would be like the apartment manager told you that the apartment CAME with free cable to get you to sign the lease, then 8 months later the cable company turned off the cable. Then, you went and looked at your lease agreement and there was no mention of the free cable anywhere in the contract.
Its not like I dont understand why this OP would be frustrated with this, but going with the above example, the cable company says "sorry we dont have any documentation this is included anywhere, and the conversation you had with someone does not matter. Please provide some documentation, or pay for the cable if you want it".
Unless there is some documentation of the "free cable" offer (EAP), this OP is SOL... but I understand the frustration. Saying that, car deals specifically, people should know that the only thing that matters is whats in the purchase agreement..... but buying a connected car is a situation where things there can actually be taken away, so "there is no free lunch". Even if something is there, there is no guarentee it will stay there, unless its "supposed" to be there.