To remote start your Chevy key fob, press the lock button on the fob three times rapidly. This will activate the engine and allow you to remotely start it from up to two hundred feet away. You can also hold down the lock button for about four seconds in order to extend your vehicle's running time beyond ten minutes. To turn off the engine, simply press and hold down the unlock button on your key fob until you hear a beep or see a flashing light confirming that your car is now off. With these steps, you can easily and conveniently remote start your Chevy key fob with ease!