The white exhaust and the milky substance is a clue you have a blown head gasket, it may be small enough you are not noticing a drop in coolant level but these things do not heal themselves. You can have a pressure test done on the head to determine of there is a leak.
Overheating or coolant leak.
Hyundai Accent was created in 1994.
Try the rear side of the radiator approx. 1/3 down from the top
where is the located termoustat in 2006 hyundai accent
The 2011 Hyundai Accent has 16 valves.
The 2002 Hyundai Accent has 12 valves.
The 2014 Hyundai Accent has 16 valves.
The 2008 Hyundai Accent has 16 valves.
The 2003 Hyundai Accent has 16 valves.
The 2005 Hyundai Accent has 16 valves.
The 2004 Hyundai Accent has 16 valves.
2003 hyundai accent diagram