2017 Hyundai Santa Fe Electronic Stability Control Esc Engine Problems

During acceleration from stop or low speed turn ,car has no or little response from accelerator, happens on dry pavement as well as wet, traction control light flashes.at this point there is no traction issues.reported to hyundai dealer checked 3 times and said all was fine ,not satisfied with answer I contacted hyundai customer service and spoke to chris wells opened a case with them #10059476 on 3/15/2017.ive had phone contact with him ,he said he would give it to the guys upstairs but still no satisfaction.big saftey concern!!!