“…In a more developed country as Japan, according to Yu and Chen (2010), there are strict governmental regulations that demand vehicles inspections as a vehicle getting old which can be very expensive and tough, consequently Japanese customers usually buy a new vehicle every four years on average, they present Japanese Toyota company as a case study, the company have a considerable section for dealing with customer management, in order to keep customer information in a data base to keep in touch with them which increases customer satisfaction and loyalty to the company, however, vehicle customers and companies in other countries especially the developing countries do not follow the same procedure, as they are more often replacing vehicle parts with SPs. After the end of warranty duration, Corrêa et al (2007) find that the customers have options to maintain their vehicles either by branded vehicle dealers which provide vehicle maintenance during warranty or by independent garages, a comparison was held between the two options and the results were analysed.…”