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 Owners Manual: Basic Mode Screen
1. Mode Displays currently operating mode.
2. Operation State From Repeat/Random(Shuffle)/ Scan, displays the currently
operating function.
3. Track Info Displays information about the current track.
4. Play/Pause Changes the play/pause state.
5. Play Time Displays the current play time.
6. ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Receiver-Drier Repair procedures
Replacement
1.
Remove the condenser, and then remove the bottom cap (B) with L wrench (A) from the condenser.
Tightening torque :
20 ~ 25 N.m (2.0 ~ 2.5 kgf.m, 14.5 ~ 18.2 lb-ft)
2.
Remove the desiccant (A) from condenser using a long nose plier. Check for crumbled desiccant and cl ...