You smell exhaust and get a headache while the cabin heater is on. What should you do right away?

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  1. Turn the heater up to stay alert
  2. Shut off the heater and open air vents
  3. Climb higher to find cleaner air

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References

  1. AIM Chapter 8 Section 1, Fitness for Flight www.faa.gov/air_traffic/publications/atpubs/aim_html/chap8_section_1.html Checked 2026-10-09.

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