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: Parking Brake Cable: Repair procedures
Removal
The parking brake cables must not be bent or distorted. This will lead
to stiff operation and premature failure.
1.
Release the parking brake lever and parking brake cab ...
Hyundai Creta GS 2014-2019 Service Manual: Drive Plate: Repair procedures
Removal and Installation
1.
Remove the automatic transaxle.
(Refer to Automatic Transaxle System - "Automatic Transaxle")
2.
Remove the adapter plate (A) and drive plate (B).
Tightening torque ...