Giltrap Bosch Auto Service Booysens charged me for wrong problem on car and stop GPS navigator

<p>This is the kind of autoservice center no one wants to deal with . I took my vehicle to them 2 weeks back, they took over a day doing diagnostics on the car, came back with an R8k bill; a week later the vehicle had the same problem, took the car back and now being told what I was charged for was not the real problem and that I have either a CV joint problem or gearbox issue; they are now not sure asking me to come back when their boss is around. To make matters worse, my girlfriend's GPS navigator which was shown to the lady accepting the vehicle has now been ****** and no one at Giltrap Bosch Booysens knows where the GPS navigator is. They have now claimed that the ****** GPS navigator is not their problem as customers leave their stuff at own ris**** R8k later, GPS navigator gone, problems on the car, unsolved!!</p>