Poor customer service

I phoned in to have move my debit order date vehicle my financed vehicle forward with two days. Very rude lady in the call center was unwilling to assist, continuously interrupted me, and eventually just hung up the call. She explained to me that I cannot change the date as it was not done 7 days prior to the debit order date. We as consumers are not intimately involved with their internal processes. The rude consultant was not interested in listening and when she had enough, she just hung up and ended the call. This lady did not even take any of my credentials, or gave me a reference numbers for the call.