Based on the following, standard automotive chips operate from from -40C to +125C. Commercial grade stuff is not as robust, but probably not too likely it would be used in cars. -40C = -40F. At those temps, one had better take special precautions whether petroleum or batteries are used for power.
https://electronics.stackexchange.com/questions/60273/max-operating-temp-of-ics
Exactly. Makes them a lot more expensive. The environment that a car has to function within is very harsh and extreme.