I just threatened the Toyota dealership where I bought my car.

[The Wizard]

73. They're obligated

to inform you of the cost any repairs prior to doing them. They have to give you the right to refuse their services. If they do something to render your vehicle undrivable they must make it whole again at no charge. I worked for dealerships 45 years ago and they were thieves then. Today they're the most dishonest businesses out there. Never bring your car to a dealer for any service, even recalls, many of which are unnecessary but rather a ruse to get the unsuspecting customer in the door. If there is a recall you are entitled to get it fixed by anyone you choose and the manufacturer should reimburse you. They will deny reimbursement obligations, but the threat of litigation and a report to https://www.nhtsa.gov usually gets them to obey the law.