The correct assumption from these results is that the average time needed to distribute repair information to the Toyota dealer network has been reduced by 28.5% (19.2% for Type B issues). Although faster distribution of repair instruction is the result of the process proposals introduced in this study, it is the actual implementation of production line improvements that is the basis for the calculation of any cost savings. It is important to note that the actual warranty repair cost of any issue depends entirely upon how many affected units are in existence. The sooner corrections are implemented into production, the lower the cost of warranty repairs