cracked dash

What is your question?

Why hasn't GM come up with a fix on the dash cracking at the air bag? I place a level over the crack and it looks like the air bag is not installed properly or the dash is too small. Mine has 2 cracks one at the airbag the second is way over by the drivers side. The speaker rattles anytime I hit a bump and the dash is always vibration what is the vibrating going cause to break next.