2006 Cadillac DTS Owner's Manual - Page 166

Instrument Panel Brightness This feature controls the brightness of the instrument panel lights. The button for this control is located below the exterior lamps control. Push the button in and release to extend the button. Turn the button clockwise for brightness of the instrument panel lights and counter clockwise to turn the brightness down. Entry Lighting This feature turns on the courtesy lamps and the backlighting to the door switches and to the exterior lamp control when a door is opened or if you press the remote keyless entry transmitter unlock button. If activated due to the transmitter, the lighting will remain active for about 40 seconds. Since the entry lighting system uses the light sensor, it must be dark outside in order for the courtesy lamps to turn on. The courtesy lamps turn off approximately 25 seconds after the last door is closed. They will dim to off if the ignition key is turned to RUN, or immediately deactivate if the power locks are activated. D (Instrument Panel Brightness): Courtesy Lamps The courtesy lamps are located on the headliner above the rear seat. These lamps come on by turning the instrument panel brightness knob fully clockwise or when any door is opened and it is dark outside. Puddle lamps are located on the bottom of the front and rear door trim. Professional vehicles have an additional dome lamp and also opera lamps. Parade Dimming This feature prohibits dimming of the digital displays and backlighting during daylight hours when the key is in the ignition and the headlamps are on. This feature is fully automatic. When the light sensor reads darkness outside and the parking lamps are active, the digital displays can be adjusted by turning the instrument panel brightness knob counterclockwise to dim and clockwise to brighten lighting. 3-36