Hyundai Sonata: Remote Key / Mechanical key

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

Press the release button then the key will unfold automatically.

To fold the key, fold the key manually while pressing the release button.

Remote Key
Your HYUNDAI uses a remote key, which you can use to lock or unlock a door (and trunk) and even start the engine. 1. Door Lock 2. Door Unlock 3. Trunk Open 4. Panic Locking To lock : 1. Close all do ...

Remote key precautions
The remote key will not work if any of the following occur: The key is in the ignition switch. You exceed the operating distance limit (about 90 feet [30 m]). The remote key battery is weak. Othe ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: AVN(Audio Video Navigation) head unit Components and Components Location
Components Connector Pin Information NoConnector AConnector BConnector C1-Multmedia-CAN (High)Chassis-CAN (Low)2--Chassis-CAN (High)3---4-Steering wheel remote controller-5SPDIF Shield GND--6SPDIF (+)MTS keypad signal-7---8Illumination (+)AUX R input-9-Multimedia jack (GND)- 10-MIC (+)-11-Batt ...

Hyundai Sonata LF 2014-2019 Service Manual: External AMP Components and Components Location
Components NoConnector ANoConnector B1BATT (+)1Front Right Midrange (+)2BATT (+)2Front Right Midrange (-)3BATT (+)3Front Left Midrange (+)4BATT (+)4Front Left Midrange (-)5-5-6Multimedia CAN (High)6-7Multimedia CAN (Low)7-8ACC8-9Navigation voice (+)9-10-10-11-11-12-12Rear Right door speaker (-) ...

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