Driver Information Center (DIC) Description and Operation (uplevel Instrument Cluster): Set/Clear
WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
The Set/Clear switch is used to reset or enter various displays such as the oil life percentage, fuel economy, etc.