HVAC - Fluids, Leaks & Smells Symptoms
Common symptoms and diagnostic guides.
Car smells bad in high heat humidity
Unpleasant car odors in hot, humid conditions are commonly caused by moisture?related mold/mildew, contaminated HVAC components, or volatile interior materials that release odors when heated.
Hot smell under dash after stop
A hot or burning smell under the dash after stopping can signal issues with the heater core, electrical wiring, or fluid leaks dripping onto hot components. Diagnosing quickly prevents damage or hazards.