Hyundai Sonata: Smart key - Features of your vehicle - Hyundai Sonata Owners ManualHyundai 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 (if equipped)
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. ...

See also:

Non-turbo models
The non-turbo engine is designed to operate using unleaded gasoline with an octane rating of 87 AKI or higher. ...

Useful tips for correct operation
You can display useful speaking tips to help the system recognize your voice commands correctly. 1. Select Help on Speaking. 2. You can confirm the page by scrolling the screen. ...

Convenience opening feature
You can ventilate the vehicle before you start driving. To do this, the key is used to carry out the following functions simultaneously: - unlock the vehicle - open the side windows - ope ...