The driver of this 2007 Toyota Tacoma, Sharon Lowe, 69, of Muncy, suffered a cardiac arrest as she was traveling on Legion Road in Muncy Township, and crashed into a tree Sunday morning, state police said. She suffered no traumatic crash injuries and died before the accident, which was discovered about 10 a.m., police said. Lycoming County Coroner Charles E. Kiessling Jr. pronounced Lowe dead at the scene of natural causes.