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:
Repair procedures
Inspection
[System Inspection]
1.
Disconnect the vapor hose from the throttle body and connect a
vacuum pump to the nipple on the throttle body.
2 ...
Climate information screen selection button
To change the screen into the climate information screen, press the climate information
screen selection button. ...
Fuel Tank Pressure Sensor (FTPS). Specifications
Specification
Pressure
[kPa (kgf/cm², in H2O)
Output Voltage (V)
-6.67 (-0.068, -26.8)
0.5
0
2.5
...
