Obvious answer is give him a new one for the same price. You have to eat 20k, but it saves the customer and a bunch of bad press about how your customer service

Obvious answer is give him a new one for the same price. You have to eat 20k, but it saves the customer and a bunch of bad press about how your customer service is awful and Elon Musk might decide to take you car for reasons. How do they not have a dedicated test fleet?