ABSA Insurance - investigate their modus operandi with car repair agencies

Absa Insurance insisted that my daughter's motor vehicle be sent to Renew-It Randburg, after an accident, despite her requesting it be repaired elsewhere. The car was returned 7 weeks later with the headlights not working. The car was returned to the same car repairers under instruction (it was discovered that they had inter alia "repaired" with second hand parts). It is now almost three months later (ie 4.5 months since the accident) and still no return of the car. How does this work? why do certain car repair companies get preference? why does ABSA insurance not play an intervening role when its chosen company does not deliver? Please can a senior manager/executive call me