Nope, I walked outside in -10 degrees centigrade and had to choose between my diesel Sharan and my Renault Zoe. Easy choice: the Zoe had instant heat because of

Nope, I walked outside in -10 degrees centigrade and had to choose between my diesel Sharan and my Renault Zoe. Easy choice: the Zoe had instant heat because of its heat pump. It worked fine even with with battery at -10, and the displayed range slowly rose, as the battery warmed up. Once the interior was comfortable, the BMS asked the heater to send some heat into the batteries. In the Zoe's air cooled batteries, the heating/cooling system is shared between the occupants and the BMS.