Three times this year I have parked next to cars with toddlers in them, uaually asleep. But this is outside of a supermarket or a retail park. The cars were not even parked near the shops. On one occassion the car was unlocked. I so wish I had left a note on the drivers seat asking if it was easy for me to leave the note how easy would it be for me to take your child. But what do you do? Take the responsibility of standing there until their parent comes back and then land in to them or call the police, who probably wouldn't turn up until they had gone?