Black plate (29,1)Cadillac DTS Owner Manual - 2011When automatic lighting is on and it is bright enoughoutside, the regular lamps go off, and the DRL takesover. If the vehicle is started in a dark garage, theautomatic headlamp system comes on immediately.Once you leave the garage, it will take approximatelyone minute for the automatic headlamp system tochange to DRL if there is light outside. During thatdelay, the instrument panel cluster may not be as brightas usual. Make sure the instrument panel brightnessknob is in the full bright position. See Instrument PanelBrightness on page 4‑30.Turning on automatic lighting or the headlamps willdeactivate the DRL. If the parking lamps or the foglamps were turned on instead, the DRL will stilldeactivate.To idle the vehicle with the DRL off at night, turn offautomatic lighting and shift the transmission intoP (Park). Placing the vehicle in P (Park) disables theDRL. The DRL will stay off until the vehicle is shiftedout of P (Park).To drive the vehicle with the DRL off, turn off automaticlighting and manually turn on the parking lamps or foglamps, if the vehicle has them.The regular headlamp system should be turned onwhen needed.Fog LampsThe fog lamps button is on the exterior lamps control tothe left of the steering column.# (Fog Lamps): Press to turn the fog lamps on or off.A light comes on in the instrument panel cluster whenthe fog lamps are in use. See Instrument Panel Clusteron page 4‑45. The ignition must be in the ON/RUNposition for the fog lamps to work.The fog lamps will go off when the headlamps arechanged to high-beam.Some localities have laws that require the headlamps tobe on along with the fog lamps.Cornering LampsThe cornering lamps come on when the headlamps orparking lamps are on and you signal a turn with themultifunction lever. They provide more light forcornering.4-29