OK there are two answer .One goes back to zero when you buy the plain.And one says it extends to71.999 and 111.999 miles.What is the right answer
I spoke to Dennis Fichtner at Fichtner Chevrolet, phone 406-628-4618. He is a member of a Corvette forum on line, and sells the GMPP warranties through the family Chevrolet store. When I told him I had a new Traverse and wanted a warranty, he said he would not sell me one until either 11 months or 11XXX miles, because the warranty would start AT THE TIME OF WARRANTY PURCHASE!
This would in fact add 11 months or 11XXX to the in service date of the vehicle. I am therefore waiting until next year to purchase my GMPP from him. He has sold hundreds of warranties online, and is very pleasant to talk with. The only thing I will have to do is send a picture of the odometer showing the current mileage when I make the purchase.
This is completely opposite of what I was always told by other dealers, who insisted that regardless of when I were to buy, it would revert back to, and start from, the original vehicle in service (delivery) date.
I feel confident that Dennis knows what he is talking about, and there are many posts on other forums from those who purchased from him and it is exactly what he said it would be.