BAD SERVICE AT HAVEL NORTHCLIFF BRANCH

I need to complain about the service I have so far received from Havel Northcliff Branch. I took my car in to have the Tire Pressure sensor checked and changed in March this year and spoke to the Service manager who assured me that the parts were available as they had just received the container which they were busy unpacking. I was advised that the unpacking will be done in a weeks’ time and I needed to call them again to make an appointment. When I contacted them two weeks later they advised that the parts were not available . Moving forward its now SEPTEMBER / six months later and I’m still waiting for the sensors to be fixed. I have been speaking to Moses , I have spoken to his manager and to say the Truth it looks like they don’t care about their clients at all. They promise to call me to update me but they never Bother to call . If I don’t call to follow up , no one bothers to call to update me

I worry if this is the service and the waiting period for the Havel Parts what if any major part has to Break on the car then am Doomed. I’m now considering selling my Havel because of the Bad Service I have received from Havel. It leaves a bad test in my Mouth. Last month I called Havel 4ways they had 1 sensor and I advised Moses to go get it .. but it wasn’t done. The time i called him again to check if he got it.. he forgot to do it.... Can someone who at least cares about customer service be allocated to my case