I just now copied this from Tesla's web site.
Returns
Cars eligible for return must have an odometer mileage of less than 1,000 miles at the time of return; have a New Vehicle Limited Warranty that has not been voided; have not been the subject of any submission or application for any available incentives or perks; is in new condition, without damage or abnormal wear and tear; and has not been resold or transferred to any person or entity. Returns must be completed within seven days of delivery. Learn more about return terms and conditions.
That 'Learn more' link is to the page that no longer exists.