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:
Opening the fuel filler lid
The fuel filler lid must be opened from inside the vehicle by pushing the fuel
filler lid opener button.
✽ NOTICE
If the fuel filler lid will not open because ice has formed around it, ...
Front Strut Assembly. Repair procedures - Revised
Replacement
1.
Remove the front wheel & tire.
Tightening torque:
88.3 ~ 107.9 N.m (9.0 ~ 11.0 kgf.m, 65.1 ~ 79.6 lb-ft)
...
Electrical System
1.
Be sure to disconnect the battery cable from the
negative (-) terminal of the battery.
2.
Never pull on the wires when disconnecting c ...
