your post was difficult, but i think i got the gist of it.
using brand x oil, will not void your warranty. as long as it is proper spec. having someone else, even yourself, will not void your warranty. as long as you do all the proper checks and adjustments.
i've heard people say that their dealer has told them that they had to do the service to retain warranty, but i've never heard of anyone that has had a warranty claim denied because the dealer didn't do the service.
(this does not include those gimmicky 'warranty forever' deals that has that in the fine print, this is just for the factory 2 year warranty)
I understand the concept of reality, but find it too confining for a way of life.
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