Side/rear Glass problems of the 2008 Toyota Scion Xb

I purchased a brand new 2008 Scion Xb on August 3, 2008 and only after 2. 5 weeks noticed the "l" shaped crack on my windshield. After my initial inspection I could not see any visible abrasions. I took my vehicle to the dealer 2 days after I first noticed and was told that it was due to a rock. The service representative that conducted the test had to literally try to find a "point of contact". He even had to request for someone else to find one. Finally after numerous passes with his pen and finger he finds a small chip about the size of a pen tip, an inch down from the seam of where the glass meets the car. The car has less than 600 miles. Is parked in a garage (at work and home). The crack is now an estimated 7+ inches. I said to the service rep, "is the quality of the windshield that poor, that a very small rock hitting a brand new windshield would cause this much damage". His response was yes.

My windshield in my 2008 Scion Xb cracked at an angle starting around the mirror and curving to the right. It occurred hours after I had driven it, from no apparent reason. The glass appears to be substandard or similar to the Honda element, a design defect. I had it replaced already.