See also:

Headlamp delay (if equipped)
If you turn the ignition switch to the ACC or OFF position with the headlights ON, the headlights (and/or tail lights) remain on for about 20 minutes. However, if the driver’s door is opened and c ...

Air conditioning
Press the A/C button to turn the air conditioning system on (indicator light will illuminate). Press the button again to turn the air conditioning system off. ...

Safety
The Hyundai Sonata is one of only two cars on the market that have received both a Top Safety Pick designation from the Insurance Institute for Highway Safety and a five-star overall safety rating ...