Hyundai Elantra MD/UD: Removal - Hazard Lamp Switch. Repair procedures - Lighting System - Body Electrical System - Hyundai Elantra MD 2010-2015 Service manualHyundai Elantra MD/UD: Removal

1.
Disconnect the negative(-) battery terminal.
2.
Remove the heater control module.
(Refer to the HA group - "Controller")

Inspection
1. It will be able to diagnose defects of hazard switch with GDS quickly. GDS can operates actuator forcefully, input/output value monitoring and self diagnosis. ...

Installation
1. Install the heater control module. ...