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While all car manufacturers introduce rolling changes/upgrades (changes introduced during the middle of a model year), there are also, in addition to new options and announced changes for each upcoming model year, the "behind the scenes" part changes we mostly never know about. How many "quiet" changes in a typical model year changeover? How many for the 2015 StingRay? No one outside GM will ever know. Many guess that model year changes typically come with 30-40 "shhh" changes. Here is the first, documented, 2015 quiet change (now, no longer quiet).
Thanks to "Todd M" for this picture.
Is the "new for 2015 seat" simply a change of additional wiring "padding" or re-routing to deal with some pinched wire issues were previously learned about? Or, did GM listen to a fair amount of customer input that the bottom seat bolsters were too confining for some folks, thus they "sculpted"/widened the seat bottom cushions for 2015? Perhaps, now that this picture has surfaced, we will learn that answer.
However, how many other unannounced 2015 StingRay changes will we ever learn about? Manufacturers typically do not announce such changes, for once announced, for example (hypothetical), that "we just improved the material on the interior 'A' pillar"), every such change produces a run of calls, often complaints when the manufacturer refuses to make that change on every previous-year car.
While there are always strong advantages to getting a first year of a new model, there are also reasons why JD Power and Consumers Reports suggest (paraphrasing here), that they do not care whether it is a Rolls Royce or a Ferrari, we recommend waiting for the second year of a new model.
Let us use this thread to compile a list of "quiet" 2015 changes. First announced one, the 2015 seats are changed.
Others?

Thanks to "Todd M" for this picture.
Is the "new for 2015 seat" simply a change of additional wiring "padding" or re-routing to deal with some pinched wire issues were previously learned about? Or, did GM listen to a fair amount of customer input that the bottom seat bolsters were too confining for some folks, thus they "sculpted"/widened the seat bottom cushions for 2015? Perhaps, now that this picture has surfaced, we will learn that answer.
However, how many other unannounced 2015 StingRay changes will we ever learn about? Manufacturers typically do not announce such changes, for once announced, for example (hypothetical), that "we just improved the material on the interior 'A' pillar"), every such change produces a run of calls, often complaints when the manufacturer refuses to make that change on every previous-year car.
While there are always strong advantages to getting a first year of a new model, there are also reasons why JD Power and Consumers Reports suggest (paraphrasing here), that they do not care whether it is a Rolls Royce or a Ferrari, we recommend waiting for the second year of a new model.
Let us use this thread to compile a list of "quiet" 2015 changes. First announced one, the 2015 seats are changed.
Others?