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 2014-2026 Service Manual: Components and components location
Components Location
1. Valve body assembly
2. Automatic transaxle
3. Valve body cover
4. Air breather hose
5. Air breather hose clamp
6. Valve body cover gasket
7. Solenoid valve connector
...
Hyundai Creta GS 2014-2026 Service Manual: Canister: Repair procedures
Removal
1.
Remove the fuel tank.
(Refer to Fuel Delivery System - "Fuel Tank")
2.
Disconnect the vapor hose quick-connectors (A) and ventilation hose
(B).
3.
Remove the protector ...