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Hyundai Equus: Battery Replacement
If the Smart Key is not working properly, try replacing the battery with a new one.
Battery Replacement of Conventional Smart Key

Battery Type: CR2032 To Replace the Battery:
1. Pry open the rear cover of the Smart Key.
2. Remove the old battery and insert the new battery. Make sure the battery position
is correct.
3. Reinstall the rear cover of the Smart Key.
Battery Replacement of Card Type Smart Key

Battery Type: CR2412 To Replace the Battery:
1. Pull out the battery and battery cover.
2. Remove the old battery and insert the new battery. Make sure the battery position
is correct.
3. Reinstall the battery cover and battery.
✽ NOTICE

Restrictions in Handling Keys
Theft-alarm systemVSM OFF Switch Schematic Diagrams
Part Circuit Diagram
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Rear Door Side Curtain Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the front door trim.
(Refer to Body - "Front door trim")
3.
Disconnect the rear door side curtain connector (A).
4.
...
Master Cylinder Repair procedures
Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the cover.
3.
Disconnect the ECM connector (A) and TCM connector (B). And then take the protect ...