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:
Weight Classification System (WCS). Components and Components Location
Components
...
Fuel Filler Door Open Switch. Repair procedures
Inspection
1.
Remove the switch assembly (A) from the crash pad lower panel.
2.
Disconnect the switch connector.
3 ...
Illuminated engine start/stop button
Whenever the front door is opened, the engine start/stop button will illuminate
for your convenience. The light will go off after about 30 seconds when the door
is closed. ...
