On long drives:
- Oxygen levels inside the cabin slowly drop
- Carbon dioxide levels rise
- Drivers may experience fatigue, headaches, or drowsiness
Fresh airflow helps maintain alertness—especially important during highway driving.
Vehicle electronics
Winter Driving: A Common Mistake
Many drivers unknowingly worsen window fogging by using recirculation in winter. While it may feel warmer initially, trapped moisture quickly overwhelms the system.
Best practice in cold weather:
Car driving simulator
- Use fresh air mode
- Combine with defrost settings
- Turn recirculation off when windows fog
Cabin Air Filter: The Unsung Hero
Your air recirculation system relies heavily on the cabin air filter.
A clogged filter can cause:
- Weak airflow
- Musty odors
- Reduced heating and cooling efficiency
- Increased strain on the blower motor
Maintenance tip:
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