You may have held the memory button down too long and stored the satellite and then erased it back out. Do steps 7 and 8 again, making sure that you press memory one time. Do steps 7 and 8 again, making sure that you press memory one time. Press LOCK and see Erasing a Satellite . Scroll through the satellite names until you find one that can be erased, then move to it.
Press LOCK to turn the lock light is off.
Press LOCK and see if the lock light will come on.