Planet42 cars not roadworthy and company will charge you for not having a car

I bought a car from planet42 on rent to buy, picked it up on the 13th of January, and as I was leaving premises it got stuck, they jump started it and told me it’s because they stay there in the parking for a longtime it was the battery on the 15thJanuary (within 48 hours) it had an “engine failure “ message on the screen and died while I was driving. Was towed away to the mechanic. I haven’t been with a car for the whole month but planet42 deducted the premium of R9400.00 monthend of January 2024. Upon inquiring that week of the 17th of January when I was without the car and was told it has gone for repairs and insurance with pay for repairs, I was told the premium will be refunded. On the 31st January the money was deducted and mind you I was without a car for a month. When I called in on the 1st, 2nd and 3rd of February for a refund of that premium I’m being given a run around and told management is still discussing my matter everytime I call that’s what I’m told. It’s the 11th of February 2024 almost a full month without a car and charged for not having a car and being given a run around. I also had a problem trusting the car is road worthy which obviously is not. I am being taken for a ride by this company because I am a woman