Faults on "new" Ford Wildtrak at Ford Klerksdorp

My mother bought a brand new Ford Wildtrak at Klerksdorp Ford Dealership three weeks ago. First, the car had a system error. The airbag light was on. The car was subsequently replaced with a new one. After fetching the new one, there is now a problem with the car starter. She took the car back to the dealership yesterday and they are refusing to give her another car. Don't the cars undergo technical assessments? Some many faults on the new Ford Wildtrak. To top it all, the manager, Dirk Olivier was very rude and used derogatory language towards my mother. As things stand, Ford Klerksdorp is refusing to assist and my mother is left with a car. By the way, she has been with Ford for over three years. This is disappointing.