Reuters: U.S. agency upgrades probe into 1.7 million GM vehicles

By Reuters

WASHINGTON (Reuters) – The U.S. National Highway Traffic Safety Administration (NHTSA) said Tuesday it is upgrading an investigation into 1.7 million General Motors Co (GM.N) vehicles for windshield wiper failures.

The auto safety agency opened the probe in November 2018 to see if GM needed to expand a 2016 recall of 2013 model year Chevrolet Equinox and GMC Terrain SUVs to cover additional vehicles.

The engineering analysis probe covers…