Hyundai Azera: Battery replacement
A smart key battery should last for several years, but if the smart key is not working properly, try replacing the battery with a new one. If you are unsure how to use your smart key or replace the battery, contact an authorized HYUNDAI dealer.

1. Insert a slim tool into the slot and gently pry open the cover.

2. Replace the battery with a new battery (CR2032). When replacing the battery,
make sure the battery position.
3. Install the battery in the reverse order of removal.
CAUTION - Smart key damage
Do not drop, get wet or expose the smart key to heat or sunlight, or it will be damaged.
Smart key precautions
Theft-alarm system (If equipped)Immobilizer Control Unit Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
3.
Disconnect the connector of the immobilizer unit ...
Filter inspection
If the vehicle is operated in the severely air-polluted cities or on dusty rough
roads for a long period, it should be inspected more frequently and replaced earlier.
When you, the owner, replace th ...
Torque Converter Control Solenoid Valve (T/CON_VFS) Description and Operation
Description
Torque converter control solenoid valve (T/CON) is attached
to the valve body. This variable force solenoid valve directly controls
the hydraulic pressure inside the torque converte ...