Black plate (3,1)Cadillac CTS/CTS-V Owner Manual (Include Mex) - 2012Lighting 6-3Daytime RunningLamps (DRL)Daytime Running Lamps (DRL) canmake it easier for others to see thefront of your vehicle during the day.Fully functional daytime runninglamps are required on all vehiclesfirst sold in Canada.The DRL system will make eitherthe reduced intensity lowbeamheadlamps or dedicated DRLs comeon when the following conditionsare met:. It is still daylight and the ignitionis in ON/RUN or START.. The exterior lamp control isin P or AUTO and theheadlamps are off.. The automatic transmission isnot in P (Park).When DRLs are on, only thereduced intensity lowbeamheadlamps or dedicated DRLswill be on. The other exterior lampsand the instrument panel clusterwill not be on.When the exterior lamp control is inAUTO and it is dark enough outside,the DRL turn off and the low-beamheadlamps will turn on. When it isbright enough outside, the low-beamheadlamps will go off, and the DRLwill turn back on. If the vehicle isstarted in a dark garage, theautomatic headlamp system comeson immediately. Once the vehicleleaves the garage, it takes aboutone minute for the automaticheadlamp system to change toDRL if it is light outside. During thatdelay, the instrument panel clustermay not be as bright as usual.Make sure the instrument panelbrightness knob is in the full brightposition. See Instrument PanelIllumination Control on page 66.Turning the exterior lamp control tooff or to the low-beam headlampposition will turn off the DRL.If the parking lamps or the foglamps were turned on instead, theDRL will still turn off.This will work regardless of gearposition and whether or not theparking brake is set.When the DRLs are active and aturn signal is operated, the DRL onthe side the turn signal is activated,will turn off until the turn signal isturned off.Automatic HeadlampSystemWhen it is dark enough outside, theautomatic headlamp system turnson the headlamps at the normalbrightness, along with the taillamps,sidemarker, parking lamps, and theinstrument panel lights. The radiolights will also be dim.To turn off the automatic headlampsystem, turn the exterior lampsswitch to the off position and thenrelease it.
