Repair ***** at KIA Lazarus Centurion

I brought my Kia Picanto for a service at KIA Lazarus in Centurion yesterday and an hour later one of the customer service agents called me to tell me that my clutch was finished and needed an urgent repair. It was dangerous for me to drive with a broken clutch and it needs to be fixed immediately. Costs: 9 200 Rand. When I asked them what was wrong with it, the lady on the phone was not able to explain it properly and said "The clutch was stiff" and could break any moment. Since I never noticed anything wrong with my clutch, I told them to just do the service and leave the clutch. This morning I brought my car to the KIA Workshop in Fountains Valley and got a proper assessment of the repairs that needed to be done...and guess what? The mechanics checked my car properly and said there was absolutely nothing wrong with my clutch and my car is perfectly safe to drive. So when the lady from the KIA branch in Centurion phoned me this morning to check if I was happy with the service I received (how ironic) I told her that I was very disappointed about their strategy to ******* their customers and felt extremely angry about the fact that they tried to scare me to get unnecessary repairs done. She assured me that the workshop manager would call me to explain the situation. I just received a sms saying "Thank you for the feedback and if I see the need for a further discussion, I can call them anytime". No explanation for this ***** whatsoever. I'm so disappointed, but would like to say thank you to the staff at KIA Fountains Valley for their honest service.