Mostly I was just joking around though, pronounce stuff however you want.
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I usually pronounce Volkswagen as "Vee-Double-You"
I say actually say Hyundai just like you around normies, but my bff and I have an In-joke where we call them "Hyun-uh-Die" because one time when she was on the phone with someone from the Insurance company, they corrected her pronunciation to that.
I actually love to mispronounce things on purpose, it might be why I chose "Jif" as my little hill to die on lol.