Brand new machine? If so back to the dealer time. Problem could be caused by either a weak starter that will eventually fail - at the least opportune time or a weak battery - that will fail at the least opportune time.
I'm sure you've already checked this, but when I picked my 2015 up last week, they had just pushed the battery terminals onto the posts. I had to actually ask them to tighten them up. Did not leave a warm fuzzy feeling about whatever else they may have forgotten. Found the front diff about a 1/4 low as well. :mad-new:
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