It's not possible. Make sure your car is well insured. The insurance companies have traditionally put pressure on manufacturers to add better security. In the UK, the car insurers set up this respected research institute which has steadily improved car security:
That Thatcham rating might not be as good as you think; we used to have massive problems with Thatcham certified motorbike chains and locks, eg: https://www.youtube.com/watch?v=VC3hFr8p2ck
Pro-Tip: If you're chaining your bike up, make sure the chain can't touch the floor.
http://www.thatcham.org/about