Standard Bank is Frustrating

Where do I start, having dealt with FNB for 20 years and my wife having dealt with FNB for 35 years decided to move all our buisness to Standard Bank. Initially the experience was within reason but my experience with my personal banker has been **********. There is little to no communication. She doesn't respond to emails or calls. I have to call the call -centre who makes contact with her in order for her to call me back ,but still no call back. Standard Bank has promised preferential rates when taking vehicle finance with them, but I have had to make ten calls and been shifted from pillar to post and still no resolve, all this effort and apparently I have a personal banker who is no where to be found. I cant get any assistance from the call centre because I have a personal banker. This has become a very frustrating experience thus far.