Check your wiring, also the connections on the starting motor.
car starts without key
No, if it starts on its own without you turning the ignition switch then the ignition switch is defective.
Start the car
My guess would be a defective ignition switch.
ignition
Getting a car to start without using the key is called hot wiring the car, however the process is far more difficult than it used to be, if not impossible. Many new cars have keys that have circuit boards in them that only allow the car to start if they are connected to the ignition.
Start the car
An anti theft device for cars. It disconnects your ignition with a keychain. Without the keychain in, you can't start the car at all.
The ignition cylinder is the part you turn your key in to start the car, this is in its housing.
Check the cars ignition coil and crank sensor. Either of these could be overheating and causing the car to not start until it sits for a while.
Hot-wire is a word that means to start a car without using the ignition. This is often used to describe what is done when someone steals a car.
Yes, a bad coil will prevent the ignition from firing and the engine will not start.