Change to "winter weight" oil if necessary

In some climates it is recommended that a lower viscosity "winter weight" oil be used during cold weather. See section 8 for recommendations. If you aren't sure what weight oil you should use, consult an authorized HYUNDAI dealer.

    See also:

    For best battery service
    • Keep the battery securely mounted. • Keep the battery top clean and dry. • Keep the terminals and connections clean, tight, and coated with petroleum jelly or terminal grease. • Rinse any spi ...

    EXTERIOR
    The Sonata really is gorgeous. Its long, swoopy lines reminded me of a willowy runway model slithering down city streets. Because it's a sedan it was easy for everyone in my family to get in and o ...

    How does the air bag system operate
    • Air bags are activated (able to inflate if necessary) only when the ignition switch is turned to the ON or START position. • Air bags inflate instantly in the event of serious frontal or side col ...