Works great, BUT....

In a 07 Tahoe. This works great and is super easy to install. However, IT IS NOT just plug and play out of the box like they say it is. The module they send you is BLANK. I had to pay a guy locally $20 to flash the firmware onto it. You cannot do it yourself. Would have been 5 stars if they had mentioned this anywhere in the product description. Other than that, no complaints.