I pressed the recirc button and closed the windows to see what would happen. Alarming CO2 level!
Published March 16, 2026
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I tested how much carbon dioxide levels would rise in a car with the ventilation system set to recirculation mode and the windows closed over a long journey. Get a competitive quote for your insurance via these links: Collingwood (up to 35% discount via the link): https://www.collingwood.co.uk/learner-driver-insuranc…
- Published
- March 16, 2026
- Made for kids
- No
More features coming
We're working on new analytics and tools. Stay tuned.