Hyundai Sonata: Smart key - Features of your vehicleHyundai Sonata: Smart key

With a smart key, you can lock or unlock a door (and trunk) and even start the

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. (Refer to the “Remote keyless entry” in this section.)

Immobilizer system
Your vehicle is equipped with an electronic engine immobilizer system to reduce the risk of unauthorized vehicle use. Your immobilizer system is comprised of a small transponder in the ignition key ...

Smart key functions
Carrying the smart key, you may lock and unlock the vehicle doors. Also, you may start the engine. Refer to the following, for more details. Locking Using the door handle switch Pressing ...

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To defrost outside windshield
1. Set the fan speed to the highest (extreme right) position. 2. Set the temperature to the extreme hot position. 3. Select the position. 4. The outside (fresh) air will be selected automaticall ...

Warnings and indicators
All warning lights are checked by turning the ignition switch ON (do not start the engine). Any light that does not illuminate should be checked by an authorized HYUNDAI dealer. After starting th ...

Master Cylinder. Repair procedures
Removal 1. Turm ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the air cleaner assembly (A). ...