It is likely she had the engine running while scraping off the ice.
The first witness would then give a statement to say the engine was running, which has become slightly mangled - or misquoted - in the police statement to the press.
Police are now investigating how the woman came to be caught under her car, but initial enquiries suggest she was de-frosting her car when it is thought to have started and rolled backwards, dragging her under the front wheels. Police believe she was trapped for around half an hour before her neighbour found her.
"Police are appealing to anyone who was in the Whickham Close area of Widnes yesterday morning between around 6.15am and 7am to make contact with the officer investigating the incident, even if you feel you have seen nothing of relevance. This may help police piece together the sequence of events resulting in the woman's tragic death."
What might anyone have possibly seen that appeared to be nothing of relevance but in fact was a vital clue?
"I saw a man creeping up to the car carrying bolt-croppers, but I thought nothing of it at the time"
"I saw a car rolling backwards down the drive but I assumed the woman would jump clear"