Battery Replacement

If the Smart Key does not operate properly, try replacing the battery with a new one.
Battery type: CR2032
To replace the battery:
1. Remove the mechanical key.
2. Use a thin tool to open the smart key rear cover.
3. Remove the old battery and install a new battery. Make sure the battery is positioned correctly.
4. Reinstall the smart key rear cover.
If you suspect that your smart key may have been damaged, or if you feel that your smart key is not operating properly, it is recommended that you contact an authorized HYUNDAI dealer.
Information
Improper disposal of the battery can harm the environment and human health. Dispose of the battery in accordance with your local laws and/or regulations.
Test yourself
A quick Hyundai i30 quiz: every answer comes with an explanation and a link to the manual page.