Hyundai Elantra: Head Lamp Leveling Device / Head Lamp Leveling Switch
Schematic diagrams

Repair procedures
1. | Disconnect the negative (-) battery terminal. |
2. | Remove the crash pad lower panel (A). (Refer to Body - "Crash Pad Lower Panel") |
3. | Loosen the mounting screw and remove the crash pad lower switch (A). 
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4. | Disconnect the crash pad lower switch connector (A). 
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5. | To install, reverse the removal procedure. |
Other information:
Description and operation
Description•
Supplemental Restraint System Control Module (SRSCM) determines whether and when to deploy air bag module, seat belt pretensioner (BPT).•
It supplies the air bag module with the power required to deploy the module or the BPT.•
It also performs self-diagnosis function of the supplemental rest..
Repair procedures
Removal and Installation1.Remove the drive belt.(Refer to Drive Belt System - "Drive Belt")2.Remove the drive belt tensioner (A). Tightening torque Bolt (B) : 18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb-ft)Bolt (C) : 34.3 - 41.2 N.m (3.5 - 4.2 kgf.m, 25.3 - 30.4 lb-ft)3.Install in the reverse order of removal.
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