The owners manual for my 2021 3.5 EB states a synthetic 'blend' oil should be used. My wifes 2020 Escape calls for the same type of oil. I use Mobil 1 full synthetic in both vehicles. Does anyone know if the use of a 'full' synthetic oil will void the warranty? I've used Mobil 1 for a lot of my previous vehicles with no problem at all.
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