>some car components could be made upgradeable by their manufacturer -- like entertainment units -- but they don't
Almost every single car part can be "upgraded", courtesy of the aftermarket. It's not necessarily a worse system.
Almost every single car part can be "upgraded", courtesy of the aftermarket. It's not necessarily a worse system.
I've owned a number of cars for which I would have spent thousands of dollars with the brand upgrading them if options were available.