Amazon’s conversational voice assistant, Alexa, has made its way into many electric vehicles in recent years. Now, along with ordering Alexa to “play ‘Despacito’” or “call Mom,” EV drivers in the U.S.

I owned a lot of Alexa-powered devices in my former home: There were Amazon Echos in most rooms, including an older Echo Plus in the living room, a smattering of Dots, a Spot in a bedroom, and an Echo ...