Pinal County Sheriff's Office says the child of 44-year-old Michael Caresccia and 42-year-old Tina Caresccia called out of concern for their parents.
The couple left their home in Maricopa around 5 a.m., but they never arrived to work.
Then, their 2008 Honda Accord was found abandoned in the area of North Ralston Road and West Papago Road around 10 p.m.
Michael is described as a white male, 5'10", 180 pounds with black hair and brown eyes.
Tina is described as a white female, 5'8", 140 pounds with blonde hair and brown eyes.
If you have any information, call PCSO at 520-866-5111.