It has connection points to fit rear facing child seats in the rear storage compartment. http://www.teslamotorsclub.com/attachment.php?attachmentid=7...

1. Attach seats

2. Don't get rear-ended

It's almost certainly safer than the late 1960's station wagon we had when I was a child, with the backwards-facing seats in the cargo area. The rear crumple zone on it was everything behind the axle.

http://www.youtube.com/watch?v=siT-SIfOnQw

I think you can attach two child seats to the back seat. Like so: http://oi55.tinypic.com/2qsxish.jpg