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Delivery appointment cancelled last minute?

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They called about 3 hours prior and said there were some 'electronics issue' the techs found and it needs a 'simple firmware upgrade'. The car was built in late July....

Shouldn't a firmware upgrade take hours not days? They delayed me for 3-4 days with no confirmation it would be done by then. If it's a firmware upgrade how can they not know if it's done for 3-4 days?

Does not feel right.
 
Same thing happen to me. I was told it failed the technical inspection. When pressed for clarification I was told that they updated the car with the latest firmware and it crashed the car. They thought the MCU chip was bad and that they had to order a new one. They ended up doing a full software reinstall and it solved the issue. My vin also disappeared during this time. Unfortuantly I still did not receive my vehicle as I rejected it due to paint defects.
 
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Hey guys update. So I called my delivery center to see if the car was fixed. They previously told me it was a firmware issue.

They didn’t answer so I called my delivery specialists in Vegas and asked him. He said it needed paint correction.

So the dealer lied? Disappointing
 
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