2008 Cadillac DTS Owner's Manual - Page 126

If the LDW symbol does not appear, LDW is not currently operating and will not warn you. If you would like to change the volume of the warning chime, see Chime Volume under DIC Vehicle Customization on page 3-86 for more information. LDW Error Message SERVICE LANE DEPARTURE SYSTEM: This message may appear in the DIC to indicate that LDW is not working properly. If this message remains on after continued driving, the system needs service. Take your vehicle to your dealer/retailer. See DIC Warnings and Messages on page 3-73 for more information. LANE DEPARTURE SYSTEM UNAVAILABLE: This message may appear in the DIC if LDW does not activate due to a temporary condition. See DIC Warnings and Messages on page 3-73 for more information. When the System Does Not Seem To Work Properly The LDW symbol will not appear when the system is having difficulty seeing the lines on the road or if the view of the camera on the windshield is blocked with mud, dirt, snow, ice, or slush, if the windshield is damaged, or when weather limits visibility, such as while driving in fog, rain, or snow conditions. This is normal operation, your vehicle does not need service. For cleaning instructions, see Washing Your Vehicle on page 5-90. LDW warnings may occasionally occur due to tar marks, shadows, cracks in the road, or other road imperfections. This is normal system operation, your vehicle does not need service. 2-52