There is no specific ACT for such small concepts. For Servicing facilities, the terms and conditions will be provided by the bye laws of the company, so you will get the details in your sale agreement you have it with you while purchasing the vehicle (the documents). In case if you are talking about the private service providers, you do not have any specific ACT, but can file for the compensation, damages, specific performance, depending upon you case either under civil laws or under torts. If you have faced any criminal acts against you then under criminal laws. It all depends upon the facts and circumstances of the case to decide under what provision of law you may proceed for justice.