Hyundai SX2 Owner's Manual page 148

Convenience Features
NOTICE
• Keep the smart key away from
electromagnetic materials that blocks
electromagnetic waves to the key
surface.
• Always have the smart key with you
when leaving the vehicle. If the smart
key is left near the vehicle, the vehicle
battery may be discharged.
Replacing the battery
Battery type: CR2450
To replace the battery:
1. Insert a slim tool into the slot (1) and
gently open the rear cover.
2C_RemoveSmartKeyCover
2. Remove the old battery and insert a
new battery. Make sure the battery
position is correct.
2C_ReplaceSmartKeyBattery
3. Reinstall the rear cover of the smart
key.
5-10
If you suspect your smart key might have
sustained some damage or you feel your
smart key is not working correctly, we
recommended that you contact a
HYUNDAI authorised repairer.
WARNING
This product contains a button battery.
If swallowed, a lithium button battery can
cause severe or fatal injuries within 2
hours. Keep batteries out of reach of
children.
If you think batteries may have been
swallowed or placed inside any part of the
body, seek immediate medical attention.