It's one thing if you're trying to start one of your own cars if you've lost your keys and need a car moved immediately, but using your knowledge for evil is an excellent way to end up in jail.

Ideally, your car, or a car that no one's going to freak out about when you get it started sans key. Also, the car is most likely going to need to be from the mid 90s or older.

Electronic keys introduce new components that can be expensive, even without paying a dealer to program them. If you can do the job yourself, you can save both time and money by not having to visit ...

As the little computer inside your car key becomes more sophisticated, buying a spare is a good way to save money in case your key goes missing. - Newer cars won't start unless they read a signal ...