SONATA(YF) >2013 > G 2.4 GDI > Body Electrical System > Lighting System > Rheostat>Repair procedures  
Inspection
1.
Disconnect the negative (-) battery terminal.
2.
Remove the lower crash pad switch (A) from the side crash pad cover by using the scraper.
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3.
Disconnect the rheostat connector (A) from lower crash pad switch.

4.
Operate the rheostat switch and check for continuity between terminals.