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Tell them to replace it immediately or you’re sending a Tow Truck to take it to a Competitive Brand Dealership who very much wants to allow what you paid for it towards one of their obviously better built vehicles also provide a courtesy car until the day you take delivery.
Apparently, they also have big plans for the Traverse which they don’t plan to fix but put on tour also well publicize your whole story including how GM treats new customers.

~ Pete
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