Rude General Manager slams phone on clients

This morning I called to Advise Ahmed so called General Manager at Renew it....to explain that Renault SA informed me that the order number provided to me was incorrect. He refused to take responsibility or provide any assistance. Told me that I was unreasonable....after keeping my vehicle for 2 months I am unreasonable. Further stated that I logged a call on Hellopeter.... Then he wanted to shove the blame on someone else offering me to contact another person...He got upset when I told him he is passing the buck again and he slammed the phone down on my ear. YOUR SERVICE IS PATHETIC. A General Manager that does not know what a SLA is, is trouble from start.