To avoid risks to your health, you should have your vehicle professionally decontaminated in any of the following circumstances: Stolen and recovered. The police will search for evidence, but they won’t clean up items like drug residue, drug paraphernalia, broken glass, etc. Human or animal bodily fluids (eg. blood, urines, feces, vomit) Rodent, insect, or bird infestations Chemical residue (eg. fire extinguisher powder, tear gas, fingerprint powder) Mold or odor problems Infectious disease (eg. COVID-19, hepatitis B or C)