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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Active ECO operation
Active ECO helps improve fuel efficiency by controlling the engine and transaxle. But fuel-efficiency can be changed by the driver's driving habits and road conditions. When the Active E ...

Rail Pressure Sensor (RPS). Specifications
Specification ...

How does the air bag system operate
Air bags are activated (able to inflate if necessary) only when the ignition switch is turned to the ON or START position. Air bags inflate instantly in the event of serious frontal or side co ...