Hyundai Sonata: Smart Key / Smart key precautions

The smart key will not work if any of the following occur:

When the smart key does not work correctly, open and close the door with the mechanical key. If you have a problem with the smart key, contact an authorized HYUNDAI dealer.

If the smart key is in close proximity to your mobile phone, the signal could be blocked by your mobile phones normal operational signals. This is especially important when the phone is active such as making and receiving calls, text messaging, and/or sending/receiving emails. Avoid placing the smart key and your mobile phone in the same pants or jacket pocket and always try to maintain an adequate distance between the two devices.

CAUTION

Keep the smart key away from electromagnetic materials that blocks electromagnetic waves to the key surface.

Information

This device complies with Part 15 of the FCC rules.

Operation is subject to the following three conditions:

1. This device may not cause harmful interference, and

2. This device must accept any interference received, including interference that may cause undesired operation.

3. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the device.

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, you should immediately take the vehicle and remaining keys to your authorized HYUNDAI dealer ...

Battery replacement
If the Smart Key is not working properly, try replacing the battery with a new one. Battery Type: CR2032 To replace the battery: 1. Pry open the rear cover of the smart key. 2. Remove the old batter ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Instrument Panel Fuse Replacement
1. Turn the engine off. 2. Turn all other switches OFF. 3. Open the fuse panel cover. 4. Refer to the label on the inside of the fuse panel cover to locate the suspected fuse location. 5. Pull the suspected fuse straight out. Use the removal tool provided in the engine compartment fuses panel. 6 ...

Hyundai Sonata LF 2014-2019 Service Manual: Special Service Tools
Special Service Tools Tool (Number and name)IllustrationUse09373-27000Alternator pulley remover wrenchRemoval and installation of alternator pulley 09964-C1100SCC reflectorReflector to align the SCC radar09964-C1200Calibration beamLaser to detect the center of the vehicle.09964-C1300Tr ...

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