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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 systemRear Differential Carrier Repair procedures
Replacement
1.
Drain off oil from Rear differential carrier.
2.
Remove the propeller shaft.
(Refer to Propeller Shaft Assembly - "Propeller Shaft")
3.
Remove the rear drive shaft.
(Re ...
3 Zone control button
1. Press the 3 zone button to operate the front passenger's temperature, rear
side temperature, and rear side mode individually. The indicator on the 3 zone button
will be illuminated. Press ...
Compass function
The Compass can be turned ON and OFF and will remember the last state when the
ignition is cycled. To turn the display feature ON/OFF:
1. Press and release the button
to turn the display feature ...