Final answer:
The engine start button is often located on the dashboard near the steering wheel and a quick press is usually enough to start the car, though you should consult the owner's manual for exact instructions.
Step-by-step explanation:
The engine start button is a feature found in many modern vehicles that replaces the traditional key ignition system. Typically, the engine start button is located on the dashboard near the steering wheel, but its exact position can vary depending on the make and model of the car. To start the engine using the button, you usually have to press the brake pedal (for automatic cars) or the clutch pedal (for manual cars) while pressing the button. You generally just need to press the button briefly; the vehicle's electronics do the rest, turning over the engine and starting the car. There is no need to hold down the button; just a quick press is usually sufficient.
However, for some vehicles, there may be additional security measures or different starting sequences. It's essential to consult the vehicle's owner's manual for specific instructions. It's also important to mention that for hybrid or electric cars, the starting process might be slightly different, but they often still use an engine start button for convenience.