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 (if equipped)
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.
...
See also:
Location of the fuse boxes
Engine compartment
Under the glove compartment
Under the glove compartment
Trunk
Not in use
...
California Fuel Requirements
If the vehicle is certified to meet
California Emissions Standards, it is
designed to operate on fuels that
meet California specifications. See
the underhood emission control
label. If this ...
Active Head Restraints — Front Seats
Active Head Restraints are passive, deployable components,
and vehicles with this equipment cannot be readily
identified by any markings, only through visual inspection
of the head restraint. Th ...
