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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Overhead Console Lamp. Repair procedures
Inspection Remove the overhead console lamp assembly then check for continuity between terminals. If the continuity is not as specified, replace the map lamp switch. Removal ...

Fuel Tank Air Filter. Repair procedures
Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Disconnect the canister close valve connector (A ...

Battery saver function
The purpose of this feature is to prevent the battery from being discharged. The system automatically turns off the parking lights when the driver removes the ignition key (smart key : turns ...