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 ...

See also:

Opening the trunk
• To open the trunk, press the trunk unlock button for more than 1 second on the transmitter (or smart key), press the button on the trunk handle with the smart key in your possession, or inse ...

Good braking practices
WARNING Whenever you leave or park your vehicle, always set the parking brake as far as possible and fully engage the vehicle's transaxle into the P (Park) position. If the parking brake ...

Fan speed control
The fan speed can be set to the desired speed by pushing the fan speed control button. To change the fan speed, press the right of the button () for higher speed, or press the left of the butto ...