All American Subaru of Old Bridge

I brought my car into the dealer several months ago because if a squeaking issue. The squeaking is coming from the rear of the car. They indicated that I needed new breaks. I agreed to have the service done and spent well over $400 to have this done. A month later, the squeak returned. I returned to the dealer and the mechanic did a test drive with me. He told me that it was some plate under the car that needed to be adjusted. They fixed it. Now, two months later, the squeaking is there again. I returned to the deal and they told me I need breaks. I indicated that I had already had my breaks done and was told they were not done. I told them that their dealership did the work and the service manager said I'd have to prove it!!! No problem - I have my receipt. Now they say they'll replace the brakes that they apparently didn't replace the first time but I also need rotors! I told them not to make any repairs and that I'd be getting another opinion. Now they're making the repairs at their cost. These calls have been going on all day and I'm feeling frightened that they have my car and my safety in their hands.