Re: pronouncing "Jaguar"
I once worked with a US American who collected Jaguar sports cars. He was astonished that I had never heard of Jaguar, as I'm British. It took me half a day to decode his pronunciation.
UK: Like "Jag you are"
US: Like "Jag waah"
Then he started talking about "stick-shift", "hoods", "trunks". I learned a lot of Americanese that day. And some Hispanic swear words... Happy days.