2007 Infiniti QX56 Owner's Manual - Page 250

If it is not possible to set the system or the indicator stays on, it may indicate that the system is malfunctioning. Although the vehicle is still driveable under normal conditions, have the vehicle checked at an INFINITI dealer. LSD0121 LSD0105 Condition C When the ICC system is not operating properly, the chime sounds and the system warning light (Orange) will come on. Action to take: If the warning light comes on, park the vehicle in a safe place. Turn the engine off and then perform the settings again. Sensor maintenance The sensor for the ICC system 1 is located below the front bumper. To keep the ICC system operating properly, be sure to observe the following: ● Always keep the sensor clean. Do not use alcohol, benzine or thinner to clean the sensor. To clean the sensor, wipe softly with a cloth dampened with a diluted mild cleaning agent and rinse with water then wipe with a dry cloth. 5-32 Starting and driving