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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 systemStart/Stop Button Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad center panel.
(Refer to Body - "Crash Pad Center Panel")
3.
Remove the start/stop button connector (A) fro ...
Troubleshooting
Troubleshooting
SymptomSuspect areaRemedyEngine misfire with abnormal internal lower engine noises.Worn crankshaft bearings.Loose or damaged engine drive plate.Replace the crankshaft and bearings ...
Climate Seat Unit Schematic Diagrams
Circuit Diagram
...