Hyundai Sonata: Lighting System / Room Lamp Repair procedures

Removal
Room Lamp (Non-Panorama Sunroof)
1.
Disconnect the negative (-) battery terminal.
2.
Using a screwdriver or remover, Separate the room lamp lens (A) from the room lamp.
   
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Put on gloves to prevent hand injuries.
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When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components.

3.
If it is necessary to replace the bulb, remove the bulb (A) after disengaging the room lamp lens.
4.
Disengage the room lamp (B) after loosening the mounting screws.

   
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When removing the room lamp, be careful of the direction in which the tool is inserted.
-
Use caution when inserting the tool in the opposite direction, as the room lamp is damaged.

5.
Remove the room lamp assembly after disconnect the room lamp connector.
Room Lamp
1.
Disconnect the negative (-) battery terminal.
2.
Separate the room lamp (B) from the roof trim after disengaging the mounting clip (A).

Vanity Lamp
1.
Separate the vanity Lamp (B) from the roof trim after disengaging the mounting clip (A).

Installation
Room Lamp (Non-Panorama Sunroof)
1.
Install the room lamp after connect the connector.
2.
Install the room lamp lens
3.
Connect the negative (-) battery terminal.
Room Lamp (Panorama Sunroof)
1.
Install the room lamp after connect the connector.
2.
Connect the negative (-) battery terminal.
Vanity Lamp
1.
Install the vanity lamp.
2.
Connect the negative (-) battery terminal.
Head Lamps Repair procedures
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Overhead Console Lamp Repair procedures
Inspection 1. Remove the overhead console lamp assembly then check for continuity between terminals. If the continuity is not as specified, replace the map lamp switch. Removal 1. Disconn ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Head Lamps Repair procedures
Inspection 1. Check the battery voltage. (Low beam will be on when the battery voltage above 9V.) 2. Check the fuse and relay. 3. Check the polarity of ballast. (If the polarity are changed, low beam doesn't lighten) 4. Check the bulb connector securely. 5. Visually bulb checking ...

Hyundai Sonata LF 2014-2019 Service Manual: Rheostat Repair procedures
Inspection 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel") 3. Remove the lower crash pad switch assembly (A) after disengaging the mounting clip. 4. Remove the rheostat switch connector (A). 5. Check ...

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