Hyundai Sonata: Smart Key / Mechanical key

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

Press and hold the release button (1) and 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.

Start-up
You can start the engine without inserting the key. NOTICE To prevent damaging the smart key: Keep the smart key away from water or any liquid and fire. If the inside of the smart key gets damp (d ...

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 ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Power Seat Motor Repair procedures
Inspection Diagnosis with GDS 1. The body electrocal system can be quickly diagnosed failed parts with vehicle diagnostic system (GDS). The diagnostic system (GDS) provides the following information. (1) Self diagnosis : Checking the failure code (DTC) and display (2) Current data : Chec ...

Hyundai Sonata LF 2014-2019 Owners Manual: Using the Tire Mobility Kit
CAUTION Detach the speed restriction label (0) from the sealant bottle (1), and place it in a highly visible place inside the vehicle such as on the steering wheel to remind the driver not to drive too fast. 1. Shake the sealant bottle (1). 2. Connect the filling hose (3) to the sealant bottle (2 ...

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