Hyundai Sonata: Auto Light Switch. Repair procedures
Inspection
Lighting Switch Inspection
With the multi function switch in each position, make sure that continuity
exists between the terminals below. If continuity is not as specified, replace
the multi-function switch.

Lighting Switch (Auto Light)

Schematic Diagrams
Circuit Diagram
...
Auto Light Sensor. Repair procedures
Inspection
In the state of IGN1 ON, when multi function switch module detects auto
light switch on, tail lamp relay output and head lamp low relay output are controlled
according to auto lig ...
See also:
Schematic Diagrams
Circuit Diaram
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Battery replacement
A smart key battery should last for several years, but if the smart key is not
working properly, try replacing the battery with a new one. If you are unsure how
to use your smart key or replace ...
Repair procedures
Removal
•
Use fender covers to avoid damaging painted
surfaces.
...
