Volkswagen will issue instructions for repairing vehicles equipped with software to deceive emissions tests, the subject of a scandal that has engulfed the German automobile maker since September. In a speech to company managers on Monday, Volkswagen CEO Matthias Müller said that Germany’s federal automobile regulator had approved a software update for vehicles with two-liter diesel motors, and had given “basic” approval on a fix for those with 1.6-liter motors, the Guardian reported.