3 Button Keyless Entry Remote for Select GM

what do some guys falconback in and today I'm working on my 2003 Silverado and I'm gonna teach you how to program your key fob on your Silverado state here is the key fob that I bought it is a doorman one three seven three three and these are the vehicles that it works for - a 2003 Chevy Silverado oh so there it goes right there there it is right there so here we go lemons gonna take it out of here first I'm gonna make sure that he has a battery I'm not even sure if this comes with the battery so let me check that out all right so surprisingly enough it does come with the battery here it is right there and here it is my hold one on this one the buttons are not working on that great sometimes he will sometimes he won't so I figured I'm gonna go ahead and replace it the only thing is once I programmed this one the old one is gonna become new programs so you need to make sure that you repr