RCMP Cpl. Dave Tyreman says Mounties in Hudson's Hope first received the complaint early Thursday afternoon.
He says police set up a perimeter, and the local fire chief and municipal maintenance workers assisted with the search in town and on a highway.
Tyreman says two municipal workers found the stolen vehicle abandoned in an alley behind a gas station and convenience store.
He says the child was still in a car sear, in good spirits and didn't require any medical attention.
Police believe the incident was not targeted, and the vehicle was abandoned once the suspect realized a child was inside.