lol, it just occurred to me how subjective the whole subject of definition is to a diagnosis. What's a tick to one person, may just as well be a ping to another.
I've said it a bunch of times already, but if your car is making noises that you either A: never heard before, or B: don't think sound right, then
Take It To The Dealer. That's what the warranty is there for. Unless of course, your car is stolen...