Cadillac XT4 Owner Manual (GMNA-Localizing-MidEast-13527545) - 2020 -CRC - 9/16/19LIGHTING 137LightingExterior LightingExterior Lamp Controls . . . . . . . . . . 137Exterior Lamps Off Reminder . . . 138Headlamp High/Low-BeamChanger . . . . . . . . . . . . . . . . . . . . . . . . . . 139Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . 139Daytime RunningLamps (DRL) . . . . . . . . . . . . . . . . . . . . 139Automatic Headlamp System . . . 139Hazard Warning Flashers . . . . . . . . 140Turn and Lane-ChangeSignals . . . . . . . . . . . . . . . . . . . . . . . . . . . 140Cornering Lamps . . . . . . . . . . . . . . . . . 141Interior LightingInstrument Panel IlluminationControl . . . . . . . . . . . . . . . . . . . . . . . . . . 141Courtesy Lamps . . . . . . . . . . . . . . . . . . 141Dome Lamps . . . . . . . . . . . . . . . . . . . . . 141Reading Lamps . . . . . . . . . . . . . . . . . . . 142Lighting FeaturesEntry Lighting . . . . . . . . . . . . . . . . . . . . 142Exit Lighting . . . . . . . . . . . . . . . . . . . . . . 143Battery Power Protection . . . . . . . . 143Exterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143Exterior LightingExterior Lamp ControlsThe exterior lamp control is on theturn signal lever.Turn the control to the followingpositions:O : Turns off the exterior lamps. Theknob returns to the AUTO positionafter it is released. Turn to O again toreactivate the AUTO mode.AUTO : Automatically turns theexterior lamps on and off, dependingon outside lighting.; : Turns on the parking lampsincluding all lamps, except theheadlamps.2 : Turns on the headlamps togetherwith the parking lamps andinstrument panel lights.IntelliBeam SystemIf equipped, this system turns thevehicle's high-beam headlamps on andoff according to surrounding trafficconditions.The system turns the high-beamheadlamps on when it is dark enoughand there is no other traffic present.This light b comes on in theinstrument cluster when theIntelliBeam system is enabled.Turning On and Enabling IntelliBeam