UNACCEPTABLE SERVICE

I bought a car from We Buy Cars in Springfield Park, KZN on the 25th April 2024. When we took the car on a test drive we were told that the battery was low and instructed not to switch it off as the vehicle had been standing. A few days after l bought the car (within the cooling off period) the car would not start. I reported this to We Buy Cars customer service person Monique Sutton who told me that I needed to get a quote from Bosch which I did on 15 May 2024. Up until now I have had no resolution to this problem. Emaila to Monique have gone unanswered. I insured the car with Pineapple and they require a data tracker to be installed. This cannot be done until the battery issue has not been resolved. The car has not even been registered during this time. Promises are not being kept as I am told it will be registered soon but nothing has happened. Am I now to pursue a legal route to sort this matter out?