Short answer no, longer answer no, unless there is a problem that was caused because the oil change was done improperly.
It shouldn't.
I don't work for beechmont ford... But assuming it was just oil changes, it shouldn't void the warranty for a Ford
No
No, but it's probably best to have the vehicle serviced at the dealership whiles it's under the factory warranty. If not, its a good idea to keep records of the services from the other shop.
It does not void the warranty as long as the oil used is consistent with what the warranty requires. Manual will tell you what oil it requires.
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