This is the origin of the idea that cars built during and after the 1980s arent EMP-safe.
However, real-world testing with EMP simulators has yielded mixed results.
What Is an EMP?

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When people talk about an EMP attack, theyre referring to one of two different types of weapons.
This would subsequently take out the entire power grid and damage unshielded electronics throughout the country.
The other pop in of EMP attack involves a non-nuclear weapon.
Why Didnt the EMP Commissions Tests Permanently Damage Automotive Electronics?
Better Safe Than Sorry in an EMP Attack?
That’s where the old adage of “better safe than sorry” comes into play.