But, for more complicated repairs, owners must bring their cars (or have them towed) to service centers that can be hundreds of miles away.General Motors has a network of thousands of dealerships – so many that, the company estimates, 90% of Americans live within a 10-mile drive of one.For some Tesla owners, getting to a nearby Buick, Cadillac, Chevrolet, or GMC dealership would be far simpler than working through Tesla’s complex repair network.Automakers Know Their Competitor’s ProductsMost GM dealerships now have service technicians certified to work on electric cars, with its own growing electric lineup to service.So Tesla has a choice: let its owners walk around GM showrooms looking at new GM electric cars while GM fixes their broken Tesla, or choke off the parts supply and leave some owners resentful that they’re left towing their car to another state for repair."