Hyundai Sonata: Remote keyless entry - Features of your vehicleHyundai Sonata: Remote keyless entry

Battery replacement
A smart key battery should last for several years, but if the smart key is not working properly, try replacing the battery with a new one. If you are unsure how to use your smart key or replace ...

Remote keyless entry system operations
Lock (1) All doors are locked if the lock button is pressed. If all doors, trunk and hood are closed, the hazard warning lights will blink once to indicate that all doors are locked. Also, i ...

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Troubleshooting
Trouble Symptom Charts Trouble Symptom 1 Trouble Symptom 2 Trouble symptom Probable cause Remedy The set vehicle speed varies gr ...

TPMS Sensor. Repair procedures
Removal Handle the sensor with care. 1. Remove the tire. (Refer to "Tire Removal") ...

Smart key
With a smart key, you can lock or unlock a door (and trunk) and even start the engine without inserting the key. The functions of buttons on a smart key are similar to the remote keyless entry. ...