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:
Special Service Tools
Special Service Tools
Tool (Number and Name)
Illustration
Application
RKE Battery Checker
(09954-2P100)
Measuring t ...
Camshaft Position Sensor (CMPS). Schematic Diagrams
Circuit Diagram
...
Warning on the LCD screen
Key is not in vehicle
If the smart key is not in the vehicle and if any door is opened or closed with
the engine start/stop button in ACC, ON, or START, the warning illuminates on the
LCD scr ...