Ha, as i was typing that i considered the possibility your car might be a diesel, but decided otherwise….go figure! But ya, as the others have said, there is also diesel stabilizers, but diesel does have a longer life span. Putting a stabilizer in wont hurt anything, so personally, id put it in anyways just to be safe….
Nope. White are real people, too. You respawn white back at the beginning (i think you have the option to, so you could stay red as well) if you managed to find all the glyphs. Ive been the White Traveler lots of times.