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:
Description and Operation
Description
The SMART KEY system is a system that allows the user to access and operate
a vehicle in a very convenient way. To access the vehicle, no traditional key
or remote control unit i ...
Closing the hood
1. Before closing the hood, check the following:
All filler caps in engine compartment must be correctly installed.
Gloves, rags or any other combustible material must be removed from the
eng ...
Sunroof. Repair procedures
Replacement
Glass Replacement
-
Put on glove to protect your hands.
...
