Hyundai Sonata: Immobilizer System / Antenna Coil Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
3.
Disconnect the 6P connector (B) of the coil antenna and then remove the coil antenna (A) after loosening the screw.

Installation
1.
Install the coil antenna and connect the 6P connector.
2.
Install the crash pad lower panel.
3.
Connect the negative (-) battery terminal.
Immobilizer Control Unit Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the driver crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel") 3. Remove the knee airbag module. (Refer to ...

Ignition Switch Assembly
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Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Sliding the sunroof
Pressing the sunroof control lever backward or forward momentarily to the second detent position completely opens or closes the sunroof even when the switch is released. To stop the sunroof at the desired position while the sunroof is in operation, press the sunroof control lever backward or forw ...

Hyundai Sonata LF 2014-2019 Owners Manual: LKAS malfunction
Check LKAS LKAS failure indicator The LKAS failure indicator (yellow) will illuminate if the LKAS is not working properly. Have your vehicle checked by an authorized HYUNDAI dealer. WARNING The driver is responsible for accurate steering. Turn off the system and drive the vehicle in below situa ...

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