The 2011-2015 Volt had just 2 seats in back. Starting for 2016, the Volt gained a center seat in the back, albeit an entirely useless center seat as not only is it narrow and without a head restraint - the center console extends into and above the center seat which will prevent the installation of most/all car seats or boosters there.
2D and 2P are deeply bucketed and the lower anchors (LATCH) are high in the seat crack - which will prove problematic with many car seats. The seat belt buckles f