That is probably antifreeze steam. Your heater core is a small radiator used to heat your car. The engine heats the antifreeze and circulates it through the heater core. Your blower blows heat through the core (radiator) into the car, and warms you. If the core gets a small leak, it will put out steam.
replace the heater core
Could be an incorrect refrigerant charge in a/c system
heater core is shot and you have to get a new one
white smoke is coming from my exhaust why?
Head gasket more than likely! White smoke is coolant.
this kind of thing happens in my durango when i have the ac on and its humid inside the car.
it would cause overheating but the smoke is probally coming from some sort of water or antifreeze in combustion chamber
they have elected a pope? in cold weather it is normal to see white smoke coming out of your tailpipe. the one you have to worry about is the black or the blue smoke
A fine mist coming from the air system is engine coolant. The most common cause is a leaking heater core.
The smell of rotten egg is coming from your catalytic converter that is plugged up White smoke is an indication of water (usually antifreeze) in the exhaust.
the smoke that comes out of a exhaust pipe is supposed to be white