buildup

I was a mile from the dealership when for the 2nd time in a year my radio audio went mute and phone screen came on and couldn't "end" a conversation that didn't exist. Pulled over and shut off ignition and restarted and same error occurred. Pulled into service center and kept engine running so...

With 35K on the TAU 5.0 I started to notice a difference in how it was responding... Pulled my intake mani off while doing my oil change tonight and noted the following. I'll let the pictures speak for themselves. I'm not to thrilled at this latest discovery... Looks like Hyundai might...