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:
Room Lamp. Repair procedures
Inspection
Room Lamp
1.
Check that the switch operates properly after disconnecting the
room lamp connector (A).
Removal
Room L ...
Interior light
CAUTION
Do not use the interior lights for extended periods when the engine is not
running. It may cause battery discharge.
WARNING
Do not use the interior lights when driving in the dark. Accide ...
Fuel Tank. Repair procedures
Removal
1.
Release the residual pressure in fuel line (Refer to “Release
Residual Pressure in Fuel Line” in this group).
2.
Remove the ...
