If the Smart Key does not operate normally, you can lock or unlock the door by using the mechanical key.

Move the release lever in the direction of the arrow (1) and then remove the mechanical key (2). Insert the mechanical key into the key hole on the door.
To reinstall the mechanical key, put the key into the hole and push it until a click sound is heard.
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, it is recommended that you should immediately take the vehicle and remaining key to your HYUNDAI authorised repairer or tow the vehicle, if necessary.
Tailgate unlocking To unlock: 1. Carry the smart key. 2. Either press the tailgate handle button or press the Tailgate Unlock button (3) on the smart key for more than one second.
The smart key may not work if any of the following occur: The smart key is close to a radio transmitter such as a radio station or an airport which can interfere with normal operation of the smart key.
If the engine stalls whilst driving Reduce your speed gradually, keeping a straight line. Move cautiously off the road to a safe place. Turn on your hazard warning flasher. Try to start the engine again. If your vehicle will not start, we recommend that you contact a HYUNDAI authorised repairer.
Checking the engine oil level 1. Be sure the vehicle is on level ground. 2. Start the engine and allow it to reach normal operating temperature. 3. Turn the engine off and wait for a few minutes (about 5 minutes) for the oil to return to the oil pan.