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:
Front Door. Repair procedures
Replacements
Door Trim Replacement
•
Be careful not to scratch the door trim and other parts.
...
Power brakes
Your vehicle has power-assisted brakes that adjust automatically through normal
usage.
In the event that the power-assisted brakes lose power because of a stalled engine
or some other reason, you ...
Rear Seat. Repair procedures
Replacement
Seat Assembly Replacement
1.
After loosening the mounting bolts, then remove the rear seat
assembly (A).
Tightening torque :
...
