Push the turn signal lever away from you and release, to turn the high beams on. To return to low beams, push the lever again or pull it toward you and release.

This indicator light turns on in the instrument cluster when the high-beam headlamps are on.
Exterior Lamp Controls
Flash-to-PassInstrument Panel Center Air Outlet Replacement (Terrain) Dashboard Assembly
Instrument Panel Center Air Outlet ReplacementCalloutComponent NamePreliminary ProcedureRemove the Radio Control Assembly. Refer toRadio Control Assembly Replacement.1Left Instrument Panel Center Air Outlet Fasteners(Qty:-2)Caution:Refer toFastener Caution.Tighten2.5-Y(22-lb-in)2Left Instrument Pane ...