I've received three calls today from this number. Glad I read everyone's comments! I just bought a KIA last weekend. So I guess I will answer the next time they call. It's annoying, though, that they don't leave a message.
Have gotten 3 calls today from them on my cell. I don't answer calls from numbers that I don't recognise and they don't ever leave a message. I am expecting a call from JD Power because of a recent new car purchase so I'm sure that it was them calling.