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 regulations.
Air bag warning labels, required by the U.S. National Highway Traffic Safety Administration (NHTSA), are attached to alert the driver and passengers of potential risks of the air bag system. Be sure to read all of the information about the air bags that are installed on your vehicle in this Owners Manual.