Originally Posted by SyncSubaru

If you move the car, you wont get any help from the Police as you have tampered with the Crime Scene. Best you can do is to Guard the car, and keep calling the police to get them out. If you dont keep on their back, they wont come. A car theft / attempt is not a serious crime in the greater scheme of things.

If your car is insured enough, let them have it and you can get a better one.