Defective Vehicle, Negligent Kia

I have purchased a high end Kia vehicle marketed as "premium SUV of the year" and have had endless technical issues since purchasing. Some of these issues are hazardous on a vehicle less than a year old. I've taken my vehicle in numerous times to try to rectify. Every time, I am told there is no issue / they are awaiting feedback from Kia SA / it is my negligence (even on things I cannot cause to be defective). I have every possible added extra to cover any faults, which can not cover. Further, some issues are left for over 6 months with no feedback or follow-up whilst awaiting for Kia South Africa. I've sent a complaint to customercare and I wait days foe simple responses and months later and still no resolution, just endless excuses. I've asked for management contact details to follow protocol before lodging a complaint with Ombudsman and this is never provided. Urgently looking for management contact info. P.S. This is my fourth Kia vehicle purchased (two purchased within a few months of each other) and this is how a "valued" customer is treated