Volt Battery Thermal Management System in the Hot Arizona Sun By George S. Bower * What is the Volt Battery TMS Temperature Band? * What Happens if the Volt is Parked all Day in Full Sun? * What Happens if we Leave the Ignition (power) on? http://gm-volt.com/2013/05/03/volt-battery-thermal-management-system-in-the-hot-arizona-sun/