Mine has smelled like coolant when I first turn on the heater since new. 11 years and 160,000 plus miles later stilll no leaks. It must be a Kia Thing, I still don't understand.
Dennis

95 Sportage, gone but not forgotten.
98 Jeep TJ, 4" Zone springs with RC Long arms, Ford 8.8", 4.56 gears & Detroit locker rear, D30, 4.56 & Detroit Trutrack front.