The spat of news stories about electric car fires tends to be news sensationalism rather than the reality of residential fires.
By far, residential fires are started by cooking, home heating, malfunctioning electric wiring or lighting. Stuff you’ve already been living with for a long time!
Best thing to do is make sure your smoke alarms are working, regularly tested, and have an evacuation plan, practiced with your family.
See: https://www.nfpa.org/News-and-Research/Publications-and-medi...