The woman had briefly left the vehicle near Staxton on Sunday and was unable to get back inside.
Firefighters from Scarborough were sent to the scene and used small tools to break the glass.
Both children were found to be safe and well.
Firefighters rescue two babies from car after mother is locked out
Fire crews had to break a window to rescue two babies after their mum was automatically locked out of her Audi while travelling on the A64.
By The Newsroom
Sunday, 13th May 2018, 3:39 pm
Updated Sunday, 13th May 2018, 3:51 pm