Adjusting instrument cluster illumination
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When the vehicle's parking lights or headlights are on, press the illumination control button to adjust the brightness of the instrument panel illumination.
When pressing the illumination control button, the interior switch illumination intensity is also adjusted. The selected brightness of illumination can be saved in the Driver Position Memory System (if equipped).

Instrument cluster
LCD Display ControlHyundai Sonata LF 2014-2019 Service Manual: Exhaust Manifold Components and Components Location
Components
1. Turbo manifold gasket2. Turbo manifold module3. Turbo charger coupler4. Turbo charger coupler & gasket5. Oil feed pipe & hose assembly6. Oil drain pipe assembly7. Turbo manifold module heat protector8. Turbo charger water pipe & hose assembly9. Turbo charger stay10. In ...
Hyundai Sonata LF 2014-2019 Service Manual: Photo Sensor Description and Operation
Description
The photo sensor is located at the center of the defrost nozzles.
The photo sensor contains a photovoltaic (sensitive to
sunlight) diode. The solar radiation received by its light receiving
portion, generates an electromotive force in proportion to the amount of
radiation rece ...