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:
Fuse/relay panel description
Inside the fuse/relay panel covers, you can find the fuse/relay label describing
fuse/relay name and capacity.
Inner panel fuse panel
Engine compartment fuse panel
✽ NOTICE
Not al ...
Components and Components Location
Component Location
1. Hood switch
2. Burglar horn
3. BCM and RF antenna
4. Key warning switch
5. Front door switch
6. Front door lock actuator & switch
...
Active ECO operation
Active ECO helps improve fuel efficiency by controlling the engine and transaxle.
But fuel-efficiency can be changed by the driver's driving habits and road conditions.
When the Active E ...
