Car air condition sickly sweet smell?

I got a new 2014 sonic, it was ok then after the fist oil change a sickly sweet smell came out of the air conditioner.

Years earlier I had a Honda Civic, after they told me my air filter needed to be changed it had also the same sickly sweet smell. What are they doing to make that smell, what is it?

Normally that smell is associated with hot anti-freeze being blown into the cabin - make sure you are not losing antifreeze and the floor of the passenger front seat is not damp (leaking heater core).

Well it is new enough there should be no issues yet. Have them take a look at it should still be under warranty.

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