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:
Battery. Description and Operation
Description
1.
The maintenance-free battery is, as the name implies, totally
maintenance free and has no removable battery cell caps.
2.
W ...
Operating door locks from outside the vehicle
Turn the key toward the rear of the vehicle to unlock and toward the front
of the vehicle to lock.
If you lock the door with a key, all vehicle doors will lock automatically.
From the driv ...
Seat belt precautions
WARNING
All occupants of the vehicle must wear their seat belts at all times. Seat
belts and child restraints reduce the risk of serious or fatal injuries for all
occupants in the event of a coll ...
