Tl* the contact owns a 2017 hyundai sonata hybrid. while driving approximately 20 mph, the front side collision warning system failed to function. the vehicle was taken to stevens creek hyundai (4425 stevens creek blvd, santa clara, ca 95051), but the failure was unable to be diagnosed. the vehicle was not repaired and the failure recurred. the manufacturer was not contacted. the approximate failure mileage was 13,000.