2011 Cadillac DTS Owner's Manual - Page 181

Erasing Set Speed Memory Press the ACC button or turn the ignition off. Exterior Lamps The exterior lamps control is located on the instrument panel to the left of the steering wheel. Other Messages There are three additional messages that may appear on the DIC. They are SERVICE RADAR CRUISE, RADAR CRUISE NOT READY and CLEAN RADAR. These messages will appear to indicate a problem with the ACC. See DIC Warnings and Messages on page 4 ‑ 62 for more information. Cleaning the System The radar can become blocked by snow, ice, or dirt. If so, you may need to turn off the engine and clean the lens. Remember, do not use ACC in icy conditions, or when visibility is low, such as in fog, rain or snow. The emblem/lens is located in the center of the grille. To clean the emblem/lens, wipe the surface with a soft cloth. After cleaning the emblem/lens, try to engage the ACC. If you are unable to do so, see your dealer. It controls the following systems: ... Headlamps Taillamps Parking Lamps License Plate Lamps Instrument Panel Lights Fog Lamps 4-23