Keyless Ignition System What Happens Wit Keyless Ignitions If The Key Gets Too Far Away From The Car?

What happens wit keyless ignitions if the key gets too far away from the car? - keyless ignition system

I bought a 2008 Altima, which a keyless ignition, so you have the car with the keys in his pocket can begin. The manual says the range is around 30 ". I'm over it, what could happen if you move the car and suddenly curious as to reduce the number of the windows, or what? The car itself is itself from time and place?