We recently sent in a payment via mail. GMAC hasn’t received it yet and they keep calling and calling. They called my work number 20 times in two days while I was away from the office. It was a toll-free phone number (888) 213-3985. They call my house over and over with an automated voice message asking for your social security number. This morning my wife picked up the phone and a woman with a strong NON English accent was on the other line. My wife told the woman that we sent in the payment, but the woman kept reading from a script. My... read full review »