Tyre's to be refunded

My ford ranger 2.2 was taken by the AA to Ford Kempstor.The ESP locked and my tires was damaged. I needed to buy 4 new tyres for R6 265.00. After querying for refund I was referred to the factory in Silverton. They took my invoice and said they will refer it to the branch as they need to do the refund. The ESP locked again after it came from Kempstor and Menlyn fixed it. We had to go to the factory to get the field engineer to look at my vehicle because Kempstor could not tell us anything. Then we got told that its because I was driving in the rain or a wet road. I drive a bakkie not a mini. I have phoned numerous times and no manager is never available. No one is contacting us for the refund as this is a Ford fault not me driving in the rain.The person who keeps blocking us from speaking to a manager is Phumzile. So now I am going to get an attorney and summons Ford for a new vehicle as now it is unsafe to drive with, seeing that I cant drive in the rain.