The probe could affect as many as 517,945 cars from the 2003 to 2005 model years.
.S. safety regulators are investigating thousands of Volkswagen SUVs because the headlamps and other outside lights can fail with little warning.
The federal government has begun a safety investigation into the Honda Fit subcompact. So far, the government has had eight complaints that the low-beam headlights on the Fit can just stop working.