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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Tire pressure monitoring system (TPMS)
(1) Low tire pressure telltale / TPMS malfunction indicator Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recommended ...

Repair procedures
Inspection Lighting Switch Inspection With the multifunction switch in each position, make sure that continuity exists between the terminals below. If continuity is not as specified, replac ...

Child-protector rear door lock
The child safety lock is provided to help prevent children from accidentally opening the rear doors from inside the vehicle. The rear door safety locks should be used whenever children are in th ...