UPDATE Elmo "Mo" Winterhalter died at the age of 95 on Friday, July 16, according to his family. They said he passed away peacefully at his home. There will be a full military honors graveside service on Friday, July 23, at 1 p.m. at Memorial Park Cemetery in Columbia. A visitation is schedule for Thursday, July 22, from 4 p.m. to 7 p.m. This story originally aired in October 2019. COLUMBIA - From ear to ear, it's hard to miss 94-year-old Elmo Winterhalter's smile. "I don't know I've always been that way, ever since I was a kid," he said about his positive demeanor. You'll find him greeting customers with his signature grin on Mondays and Fridays at Oakland Plaza Car Wash on Vandiver in Columbia.Â