Huber Earl Smutz, Jr., 82, was reported missing around 3 p.m. Saturday, Jan. 19.
According to police, a family member woke up around noon and Smutz was gone from his home in the 700 block of Driver Road in Marriottsville.
He left in a 2007 silver Honda Accord with MD tag HYR743, police said.
Smutz is described as a white male, balding, with straight gray hair and blue eyes, no facial hair and a medium build. He was last seen wearing a red and blue jacket.
Anyone with information is asked to call 911.