I know not everyone is interested in owning an EV, I'm not yet, but
interesting to look at a series of teardown videos for a Chevy Bolt EV
(aka Opal Ampera-e)

https://youtube.com/playlist?list=PLIn3FrDiB1lzjfZvamYdxYo9uczD2JnTT

This car seems better equipped to cope with extremes of head and cold
than some others.

Quite interesting how modular the electronics are, I wonder if the costs
of all those chunky connectors, wiring harnesses and cooling hoses will
tempt them to combine into fewer modules as the technology stabilises?