Hyundai Sonata: Body Electrical System / Fuses And Relays

Fuel Filler Door Open Switch Repair procedures

Inspection 1. Disconnect the negative (-) battery terminal. 2. Using a screwdriver or remover, remove the fuel filler door open switch (A).     Take care not to scratch the ...

Components and Components Location

Component Location [Engine Room] [Interior Relay] ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: BLUE LINK Unit Components and Components Location
Component (Only for the audio TMU System)     The Blue Link unit for AVN is equipped in the AVN head unit. ...

Hyundai Sonata LF 2014-2019 Owners Manual: Indicator lights
When the ignition switch is placed to the ON position, the ESC indicator light illuminates, then goes off if the ESC system is operating normally. The ESC indicator light blinks whenever the ESC is operating. If ESC indicator light stays on, your vehicle may have a malfunction with the ESC system ...