Real talkThis takes days or weeks to work and won’t instantly fix bad smells. It’s a slow fix but good for ongoing odor control.

Bill of materials

• Activated charcoal bag or charcoal briquettes in a breathable pouch

Assembly

1. 1Place the charcoal bag inside the car, ideally under a seat or on the floor.
2. 2Leave it there for several days to a week.
3. 3Replace or refresh the charcoal bag every few weeks for ongoing odor control.