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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Horn
To sound the horn, press the horn symbol on your steering wheel. Check the horn regularly to be sure it operates properly. ✽ NOTICE To sound the horn, press the area indicated by the hor ...

ESC Control Module. Repair procedures
Removal 1. Turn the ignition switch OFF. 2. Remove the air cleaner assembly (A). 3. Pull up the lock o ...

OFF mode
Push the OFF button to turn off the air climate control system. However, you can still operate the mode and air intake buttons as long as the ignition switch is in the ON position. The vented ...