Dual Headrest DVD Outputs
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The Dual Headrest DVD system can only output video to each screen and through the AV output for external devices such as a camcorder.