My radio went out in my new car and i didn't even ...

My radio went out in my new car and i didn't even have it a month they was suppose to had fixed it but a new one end but it went back out not even two weeks later so i went back in they were very disrespectful the one man that i guess suppose to be a high upper person in the office he tells me he dont know what to tell me but my radio still acting up.