In addition to a very closely cropped teaser photo, Toyota has now published a new video on the NS4, a plug-in hybrid concept car that will be fully revealed at next week’s 2012 North American International Motor Show in Detroit.

While mystery continues to shroud the details on the NS4, the new promotional clip gives us a sneak peek on some of the car’s styling and tech elements such as instrument panel and center console.

We also get a quick glimpse of a few sketches that appear to be showing a coupe or perhaps a sporty looking four-or five-door fastback, but we can’t be sure. Follow the break to watch the video for yourself.

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