Hyundai Elantra: Smart Key / Battery replacement
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![](images/battery_replacement-2957/2840/pages.10(4).png)
If the Smart Key is not working properly,
try replacing the battery with a new one.
Battery Type: CR2032
To replace the battery:
1. Remove the mechanical key.
2. Use a slim tool to pry open the rear
cover of the smart key.
3. Remove the old battery and insert the
new battery. Make sure the battery
position is correct.
4. Reinstall the rear cover of the smart key.
If you suspect your smart key might have
sustained some damage, or you feel
your smart key is not working correctly,
contact an authorized HYUNDAI dealer.
Information
An inappropriately disposed
battery can be harmful to the
environment and human health.
Dispose of the battery according
to your local law(s) or regulation.
Loss of a smart key
A maximum of two Smart Keys can be
registered to a single vehicle. If you
happen to lose your smart key, you
should immediately take the vehicle
and remaining keys to your authorized
HYUNDAI dealer or tow the vehicle, if
necessary...
The immobilizer system protects your
vehicle from theft. If an improperly
coded key (or other device) is used, the
engine’s fuel system is disabled...
Other information:
Components and components location
Component Location [This illustration shows the LHD type. RHD type is symmetrical.]1. Main crash pad assembly
Repair procedures
Replacement
•
When removing with a flat - tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components...
Components and components location
Components1. Front wheel speed sensor2. Front wheel speed sensor connector
Repair procedures
Removal1.Turn ignition switch OFF and disconnect the negative (-) battery cable.2.Loosen the wheel nuts slightly...