Anyone who sees the car is urged to call 999. The police force tweeted: "We are urgently trying to locate a white Audi A3 reg GK20 AFU that has been reported missing.
We believe there is a young child inside."More to follow.Update 3.50pm: The Met later said the car had been located and the child was found safe and well elsewhere.The force added it was working to establish the circumstances of the incident. Get breaking news first on the free Manchester Evening News app - download it here for your Apple or Android device.
You can also get a round-up of the biggest stories sent directly to your inbox every day with the MEN email newsletter - subscribe here.
Read more on manchestereveningnews.co.uk