The phenomenon, known as "phantom braking," has been documented in videos shared online by Tesla owners. Their vehicles suddenly slam the brakes, often on open roadways, dropping in speed in response to imagined hazards. Read more: https://www.kgw.com/article/news/investigations/tesla-drivers-complain-unexpected-phantom-braking/283-f6916c06-f052-4d01-9813-e0c5fe3eff39 Over the past two months, KGW analyzed thousands of federal auto safety complaints, interviewed more than 50 Tesla owners and even tested a vehicle during a 750-mile road trip. Our investigation found incidents of unexpected or "phantom" braking are more widespread than previously reported. Subscribe: https://www.youtube.com/c/KGWNews8 Watch the latest KGW newscast: https://www.kgw.com/watch Get the KGW app: https://kgw.com/appredirect