Hey, I was charged ~$900 (labor) at cartoys to install a new stereo + amp/sub system recently, so I know all about overcharging :) There are many repairs on e

Hey, I was charged ~$900 (labor) at cartoys to install a new stereo + amp/sub system recently, so I know all about overcharging :) There are many repairs on existing cars that can be done incorrectly and lead to injury or worse. What are the extra guarantees that Tesla is providing for repairs done by them?