See also:

Immobilizer
The immobilizer system is designed to prevent an unauthorized person from starting the engine. Only keys registered with your vehicle’s immobilizer system can be used to operate your vehicle. Even ...

Safety
Still think you can't have it all? Check out the Impreza's crash tests, which at the time of publication are the best in the Insurance Institute for Highway Safety's Small Car class, with top scor ...

Key replacement
Your key number plate and security ID plate will be required if you ever need a replacement key made. Any new key must be registered for use with your vehicle’s immobilizer system before it can be use ...