Cadillac XT5 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9659146) - 2017 - crc - 11/20/15168 LightingThe DRL turn off when theheadlamps are turned to O or theignition is off.Automatic HeadlampSystemWhen the exterior lamp control isset to AUTO and it is dark enoughoutside, the headlamps come onautomatically.There is a light sensor on top of theinstrument panel. Do not cover thesensor.The system may also turn on theheadlamps when driving through aparking garage or tunnel.If the vehicle is started in a darkgarage, the automatic headlampsystem comes on immediately. If itis light outside when the vehicleleaves the garage, there is a slightdelay before the automaticheadlamp system changes to theDaytime Running Lamps (DRL).During that delay, the instrumentcluster may not be as bright asusual. Make sure the instrumentpanel brightness control is in the fullbright position. See InstrumentPanel Illumination Control 0 169.When it is bright enough outside,the headlamps will turn off or maychange to DRL.The automatic headlamp systemturns off when the exterior lampcontrol is turned to O or the ignitionis off.For vehicles sold in Canada, thiscontrol only works when thetransmission is in P (Park).Lights On with WipersIf the windshield wipers areactivated in daylight with the engineon, and the exterior lamp control isin AUTO, the headlamps, parkinglamps, and other exterior lampscome on. The transition time for thelamps coming on varies based onwiper speed. When the wipers arenot operating, these lamps turn off.Move the exterior lamp control to Oor ; to disable this feature.Hazard Warning Flashers
