Hyundai Sonata: OFF mode

Push the OFF button to turn off the air climate control system. However, you can still operate the mode and air intake buttons as long as the ignition switch is in the ON position.
The vented air will be at the last set temperature. Adjust the desired vented temperature setting accordingly before pressing the OFF button.
Air conditioning
Push the A/C button to turn the air conditioning system on (indicator light will
illuminate).
Push the button again to turn the air conditioning system off. ...
Climate information screen selection button
To change the screen into the climate information screen, press the climate information
screen selection button. ...
See also:
Weight Classification System (WCS). Description and Operation
Description
In contrast to the initial one-stage airbag systems, newer restraint systems
involve complex logic to select, or alternatively suppress, various levels of
safety system deploymen ...
Heated Oxygen Sensor (HO2S). Specifications
Specification
HO2S [Bank 1/Sensor 1]
Item
Specification
Heater Resistance (Ω)
2.5 ~ 4.0 [20°C(68°F)]
HO2S [Bank 1/Sensor 2 ...
Seat Track Position Sensor (STPS). Repair procedures
Removal
1.
Disconnect the battery negative cable, and wait for at least three
minutes before beginning work.
2.
Remove the front seat asse ...
