3rd Generation Optima (2011 - 2015)
Hey guys,
I have 2000 miles on my SX now, and no problem at all, until today, I park my car in a indoor garage. My front windows were down, so whenever I hit around 1900-2000 rpm, I can clearly hear a rattle sound (it sounds like a metal in the exhaust). And then I parked my car, I tried to...