Poor atttention to detail at service. Poor problem solving. No checking that problems are fixed.

I brought my Prado up from a farm in KZN at great expense and took it to Toyota Melrose to get the squeaky aircon belt fixed NOT ONCE BUT TWICE. I told the Toyota service department that the vehicle was not based in JHB and it was critical that they get the squeaky aircon problem sorted out 100% in time for me to take the vehicle back to KZN in ~1 week. Although they had the vehicle for a number of days , it appeared that they only really started working on the vehicle at the last minute, and i left the vehicle at Toyota until immediately before i left for KZN (they asked for the time extention to complete the work. ), The problem was not fixed. Deafferning squeak from AIrconunit persists every time I turn on the AIrcon. THIS HAPPENED NOT ONCE BUT TWICE (IN BOTH OF MY LAST SERVICES - PROBLEM NOT FIXED - PROBLEM PERSISTS. TOYOTA MELROS PROMISED TO GET BACK TO ME ON MONDAY TO RESOLVE THE CALL - BUT I AM YET TO HEAR FROM THEM. iT WOULD APPEAR THAT THEY ARE QUITE PREPARTED TO DO THE EASY WORK (OIL CHANGE ETC), but when it comes to problem solving they leave this till the last minute and gloss over the problem without fixing, and hand the vehicle back without checking that everything has been done. I am v happy with the reliability of Toyota Prados compared to other makes (I have 2 ) but v unhappy with the shoddy careless service , and lip-service and broken promises to fix / resolve from Toyota Melrose.