WARNING
Never adjust the instrument cluster while driving. This could result in loss of control and lead to an accident that may cause death, serious injury, or property damage.

The brightness of the instrument panel illumination changes by pressing the upper or lower part of the switch when the ignition switch is in the ON position and when the parking lights are turned on.

If the brightness reaches to the maximum or minimum level, a chime will sound (if equipped).
Instrument cluster
GaugesHyundai Creta GS 2014-2019 Service Manual: Components and components location
Components
1. Roof trim
2. Sunvisor [LH]
3. Sunvisor [RH]
4. Assist handle
...
Hyundai Creta GS 2014-2019 Service Manual: Description and operation
Function of Safety Power
Window
When driver door power window auto-up switch is operated, safety function is
activated.
1.
Safety function condition
When detect the force of 100N (using the 10N/mm spring) during the window
rising, window is rev ...