Hyundai Ioniq: Lighting System / High Mounted Stop Lamp. Repair procedures

Hyundai Ioniq (AE) 2017-2025 Service Manual / Body Electrical System / Lighting System / High Mounted Stop Lamp. Repair procedures

Removal

1.	Disconnect the negative (-) battery terminal.

2.	Remove the rear spoiler assembly. (Refer to Body - "Tail Gate Trim")

3.	Disconnect the high mounted stop lamp connector.

Remove the high mounted stop lamp cover by pulling forward in the direction of the arrow using screw driver or remover.

•	When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components.

•	Put on gloves to prevent hand injuries.

5.	Remove the high mounted stop lamp assembly (A) after loosening the mounting screws.

Installation

1.	Install the rear high mounted stop lamp.

2.	Install the package tray trim.

3.	Connect the negative (-) battery terminal.

License Lamps. Repair procedures

Removal1.Disconnect the negative (-) battery terminal.2.Remove the license lamp (A) after disengaging the license lamp mounting clip (B).3.Replace the bulb (A) after removing a lens...

Rear Combination Lamp. Repair procedures

Removal1.Disconnect the negative (-) battery terminal.2.Remove the outside rear combination lamp assembly (B) after disconnecting the connector (A).3.Remove the bulb (A) after turning it in the counter clock-wise direction...

Other information:

Hyundai Ioniq (AE) 2017-2025 Owner's Manual: Lights Mode, Wiper, Check headlight

Lights Mode This indicator displays which exterior light is selected using the lighting control. Wiper This indicator displays which wiper speed is selected using the wiper control. Check headlight (if equipped) This message is displayed if the headlamps are not operating properly...

Hyundai Ioniq (AE) 2017-2025 Service Manual: Troubleshooting

Troubleshooting Symptom Passible Cause Remedy (Refer to page) Water leaks from panorama sunroofDeteriorated roof lid weatherstripReplaceExcessive roof lid-to-body clearance and improperly fitted weatherstripAdjustWind noise around sunroof Loose or deformed deflector, gaps in body workRetighten adjust or replaceNoise created by moving sunroof lidForeign particles lodged in guide railCheck drive cable and guide rails for foreign particlesLoose guide rails and lidRetightenMotor runs but sunroof does not move or moves only partiallyForeign particles lodged in guide railAdjust or replaceIncorrect engagement of motor pinion with drive cableDecrease in motor's clutch slipping forceIncreased sunroof sliding resistance or interference of sunroof with drive cables, weatherstrip, etc...