2015 Cadillac ATS Owner Manual - Page 151

5-38 . Instruments and Controls LANE CHANGE ALERT OFF This message indicates that the driver has turned the Side Blind Zone Alert (SBZA) and Lane Change Alert (LCA) systems off. Heavy rain or snow is interfering with the radar object detection or camera performance. REAR AUTO BRAKE AND PARK ASSIST UNAVAILABLE This message displays when attempting to activate the parking and backing features of the Driver Assistance System when they are temporarily unavailable. The system does not need service. This can occur under the following conditions: . This message may also be displayed if there is a problem with the StabiliTrak system. FORWARD COLLISION ALERT OFF This message displays when the Forward Collision Alert has been turned off. LANE KEEPING ASSIST UNAVAILABLE This message displays when the Lane Keep Assist (LKA) and Lane Departure Warning (LDW) system is temporarily unavailable. The LKA system does not need service. This message could be due to the camera being blocked. Cleaning the outside of the windshield behind the rearview mirror may correct the issue. FRONT CAMERA BLOCKED CLEAN WINDSHIELD This message displays when the camera is blocked. Cleaning the outside of the windshield behind the rearview mirror may correct the issue. The Lane Keep Assist (LKA) and the Lane Departure Warning (LDW) system will not operate. Adaptive Cruise Control (ACC), Forward Collision Alert (FCA), and the Active Emergency Braking System may not work or may not work as well. The radar is not clean. Keep the radar sensors free of mud, dirt, snow, ice, and slush. Clean the entire front and/or rear of the vehicle. For cleaning instructions, see Exterior Care on page 10-78. Heavy rain or snow is interfering with the radar object detection or camera performance. . REAR AUTO BRAKE/PARK ASSIST OFF This message displays when the Parking Assist system has been turned off or when there is a temporary condition causing the system to be disabled. See Driver Assistance Systems on page 9-49.