Battery Replacement

If the smart key does not work, try replacing the old battery with a new one.
Battery type: CR2032
To replace the battery:
1. Pry open the smart key rear cover.
2. Replace the old battery with a new one. Make sure the battery is positioned correctly.
3. Reinstall the smart key rear cover.
If you suspect that your smart key may be damaged, or if you feel that it is not working properly, we recommend contacting an authorized HYUNDAI dealer.
Intelligent
Do not dispose of the battery without following the applicable disposal recommendations, as they may be harmful to the environment and health. Dispose of the battery in accordance with applicable laws and regulations.
Test yourself
A quick Hyundai i20 quiz: every answer comes with an explanation and a link to the manual page.