The DBC indicator will illuminate when the DBC button is pressed and the system is on.
When driving down a steep hill at a speed under 22 mph (35 km/h), the DBC will activate and the DBC indicator will blink to indicate the DBC is operating.
If the red indicator illuminates, the DBC system may have malfunctioned. Take your vehicle to an authorized HYUNDAI dealer and have the system checked.
Hyundai Tucson (LM) 2010-2015 Service Manual: Audio Remote Control Schematic Diagrams
Circuit Diagram
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Hyundai Tucson (LM) 2010-2015 Service Manual: Special Service Tools
Special Service Tools
ItemIllustrationApplicationFuel Pressure Gauge(09353-24100)Measuring the fuel line pressureFuel Pressure Gauge Adapter(09353-02100)Connection between the high pressure fuel pump and the fuel feed lineHeated Oxygen Sensor Socket Wrench(09392-1Y100)Removal and installation o ...