2007 Cadillac STS Owner's Manual - Page 211

Other Messages There are three 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 Adaptive Cruise Control. See DIC Warnings and Messages on page 264 for more information. Headlamps 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 Adaptive Cruise Control 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, engage the Adaptive Cruise Control. If you are unable to do so, see your dealer. The exterior lamp control is located in the middle of the turn signal/multifunction lever. O (Exterior Lamp Control): Turn the control with this symbol on it to operate the exterior lamps. The exterior lamp control has four positions: O (On/Off): Turn the control to this position to turn off all lamps and automatic lighting features including Daytime Running Lamps (DRL) and IntelliBeam™. 211