Refuse to honor website add

I bought a baby car seat deal . The add stated that you get x2 car seats. I have taken pictures of this add and emailed to Takealot. First they told me they don't have any more stock , yet the website was still showing stock . They went to fix the add and said 1x car seats, yes they could not even fix the seats part. Any way, i still have the snapshot of the original add which states x2 car seats. This is the reason I bought it . So now they do not want to honor their mistake . I do not want a refund n want my second car seat as per your original add. If you cant own up for YOUR mistakes that says a lot about your company . So I hope this gets to someone useful. The customer care don't give a dam . They just want to refund . I do not want a refund , I want my second car seat !!!!. Own up !!!!! for such a massive company you cant even fix this small matter in 2 weeks . My order number ********** 0. Again i have proof of the add saying x2 . Next step is and email to cpa. Maybe they will be more helpful.