I have a sky image set as an environment map to render in the background, and would like to see the reflection in the windows of the model.  However, the reflection stops about 2/3 of the way down the rendering, as illustrated on the storefront glass in the attached image.  The environment map renders completely in the background, as can be seen by the green foliage of the tree line in the bottom right corner of the rendering.  Does anyone have a solution on how to get the reflection of the environment map to continue down the length of the glass?
Thank you!

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Could it be reflecting the ground plane there?

You can also try applying your image to a plane behind the camera, Standard material with Self Illumination at 100%.

3DS Max Design 2011 64-bit - Advantage Pack
Dell Precision T5500, Dual Six Core Xeon X5650 @ 2.67GHz, nVidia Quadro 5000, 24 GB RAM, Win 7 Enterprise 64-bit
Minneapolis, MN, USA