You might be referring to a car key case. You could also be referring to a key fob. A key fob has built-in authentication.
A car alarm (which contains those buttons). It is also known as a vehicle security system.
It is called the key Fob.
It is called the pipe key
the back thing of a car is a boot or often know as trunk. Also on top of the trunk is a thing called a spoiler
Volkswagen
It is called a key
Yes, the only thing the key will not unlock is the glovecumprtment and it will not allow you to lock the car without the remote control.
Mini car, sub-compact car are 2 I can thing of.
Remote key
A visor.
I had a problem like this in Florida. the person-cobuyer took off with the car and didnt make the payments. There was not a thing I could do. The only thing you can do is try to get your hands on the car but you cannot cause a disturbance where the police are called. If you do get the car then he can do the same thing if he has a key. Maybe you can get the ignition switch changed if you get your hands on the car.
The "ears" of the ignition.