[header] How to remove spoiled milk odors from a car's interior [title] Pat dry spilled milk. [step] Immediately after a spill, clean up any excess spilled milk that is still wet or visible. This will help to remove spoiled milk smells from inside a car and make it easier to clean later on. 
[substeps] Use paper towels, a white wash cloth, or a sponge and press it against any fabric or upholstery where milk has spilled. Continue padding the area until you have soaked up all of the moisture.