Investigators aren't yet saying how much money the robbers got away with. The vehicle was found abandoned in a neighborhood south of the grocery store.
Both robbers were described as 5 feet 11 inches tall and about 180 pounds. Investigators are also looking for a woman with blonde hair who was seen driving the getaway vehicle.
Anyone with information on this robbery is asked to call the Riverside County Sheriff's Southwest station at (951) 696-3000.