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: Hood Latch Release Handle Repair procedures
Replacement 1. Using a socket (B), remove the hood release handle (A). 2. Install in the reverse order of removal.     • Make sure the hood latch cable is connected properly. • Make sure the hood locks / unlocks and opens / closes properly. ...

Hyundai Sonata LF 2014-2019 Owners Manual: Engine Start/Stop Button
Whenever the front door is opened, the Engine Start/Stop button will illuminate and will go off 30 seconds after the door is closed. WARNING To reduce risk of serious injury or death, NEVER allow children or any person who is unfamiliar with the vehicle to touch the Engine Start/Stop button or re ...

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