He has been missing since 11:47 a.m. today (July 19, 2012).
He was last seen at his home on Oakwood Drive in Lexington.
He is believed to be driving a light green Toyota Camry.
The license plate number is 311 GKB.
Police said Shye has a variety of medical issues, including dementia and heart problems.
If you see Shye, call 9-1-1 immediately.