Changing the coolant
Have coolant changed by an authorized HYUNDAI dealer according to the Maintenance Schedule at the beginning of this section.
CAUTION
Put a thick cloth or fabric around the radiator cap before refilling the coolant in order to prevent the coolant from overflowing into engine parts such as generator.
WARNING - Coolant
• Do not use radiator coolant or antifreeze in the washer fluid reservoir.
• Radiator coolant can severely obscure visibility when sprayed on the windshield and may cause loss of vehicle control or damage to paint and body trim.
See also:
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 ...
Rear window defroster
The defroster heats the window to remove frost, fog and thin ice from the rear
window, while the engine is running. To activate the rear window defroster, press
the rear window defroster butto ...
Fuel filter
A clogged filter can limit the speed at which the vehicle may be driven, damage
the emission system and cause multiple issues such as hard starting. If an excessive
amount of foreign matter accumu ...


