Why can't I update at home like my PC or smartphone?　The reason why a dealership is essential for a car that is "full of computer control" (page 1/2)

Why can't I update at home like my PC or smartphone? Why is it essential to have a dealership in a car that is "full of computer control"?

Computer control is now indispensable

Modern day Since its inception, automobiles have been powered by engines that use gasoline or light oil (internal combustion engines) as their power source. This is a big difference from past cars.

Conversely, without computer technology, it is impossible to establish the high performance and ease of use of modern automobiles. Furthermore, if it becomes an EV that relies on electricity for everything, including the power system, computer control can only be said to be indispensable.

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　It is well known that the intended purpose can be achieved by combining the main body (hardware) of the computer or electronic device with software that performs a predetermined function. It's clear to see. Software updates (modernization) are carried out to improve performance and optimize performance. This update, when there is an update in the software manufacturer's product content, is performed automatically from time to time, or manually by the user who receives a notification from the manufacturer. right.

　The time has come for this computer system update to be applied to automobiles as well. This movement is a major global trend, and in Japan, in September 2020, Toyota announced that in 2020, in the item related to automatic braking of the driving support system "Toyota Safety Sense" (target models: Aqua, Vitz, Noah, Voxy, etc.) In November, Mazda announced measures for items related to engine / mission control of models equipped with "e-SKYACTIV X" (target models: Mazda 3, CX-30). Each target is for vehicles equipped with old software, and by updating to the latest software, vehicle performance and functions are improved, and existing vehicles can be used in a state that conforms to the latest model.

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Needless to say, it is a user service, but the update is done by bringing the vehicle to the manufacturer's designated repair shop (dealer), not by connecting to the network by the individual user like a PC or smartphone. In a world that has become so convenient, if there is a manual that clearly shows the procedure, it seems possible to update on an individual basis, but there are several reasons why you should take the trouble to bring it to the dealer.

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