Adjusting Instrument Cluster Illumination

When the vehicle's parking lights or headlights are on, press the illumination control button to adjust the brightness of the instrument panel illumination.

Instrument cluster
GaugesHyundai Tucson (LM) 2010-2015 Owners Manual: Interior overview
1. Door lock/unlock button
2. Power window switches
3. Central door lock switch
4. Power window lock switch
5. Outside rearview mirror control switch
6. Fuel filler door release lever
7. Instrument panel illumination control switch
8. AWD Lock button
9. DBC button
10. ESC OFF button
11. ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Overhead Console Lamp Repair procedures
Inspection
Remove the overhead console lamp assembly then check for
continuity between terminals. If the continuity is not as specified,
replace the map lamp switch.Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the overhead console lamp assembly.
(Refer to the B ...