Hyundai Sonata: Smart key

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:
Anti-lock brake system (ABS)
WARNING
ABS (or ESC) will not prevent accidents due to improper or dangerous driving
maneuvers. Even though vehicle control is improved during emergency braking, always
maintain a safe distance b ...
Mode selection
Type A
The mode selection button controls the direction of the air flow through the
ventilation system.
The air flow outlet port is converted as follows:
Refer to the illustration in the “M ...
Shift Lever. Repair procedures
Removal
1.
Remove the center console assembly. (Refer to "Interior"
in BD group.)
2.
Remove the control cable (A).
...
