SUV will NOT start!

Thanks for responding. First things first, my wife sent this to you guys trying to help me in finding out what is wrong with my truck (2000 QX4 Infiniti). I have worked on cars for most of my life, but this really has me puzzled. I've already checked all the obvious things, lights iluminating, battery & battery connectors and made sure the shifter was in park. And I tried it in nutural. I first notice that when I backed out of the drive way and put it in drive it wasn't in first gear. It was like it was in a higher gear, So I pulled it down into 1st, gear and it went in. Then once I got on the fryway I notice the car would not shift into over-drive. I push the passing gear button on the side of the shifter and I wasn't working, The geen light in the dash didn't come on either. I drove on to the gas station to get some gas which was about maybe 8-10 miles from home. Once I paid for the gas and I got back in the truck I hit the key and NOTHING! One of the things that I did notice was when I would turn and hold the key the lights in the dash didn't blink off and back on one the key was released. I don't know if the computer lock out the ignition or what. Please help. Thanks in advance.

AntuShay