See also:

Fan speed control
The ignition switch must be in the ON position for fan operation. The fan speed control knob allows you to control the fan speed of the air flowing from the ventilation system. To change the fan ...

7,500 miles (12,000 km) or 6 months
Inspect air cleaner filter Inspect vacuum hose Replace engine oil and filter (7,500 miles (12,000 km) or 12 months) ...

Check battery and cables
Winter puts additional burdens on the battery system. Visually inspect the battery and cables as described in section 7. The level of charge in your battery can be checked by an authorized HYUNDAI ...