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Table of Contents > Driving > Exhaust Gas Hazard > Carbon Monoxide Gas

2023 Honda CR-V Owner's Manual ➜ Carbon Monoxide Gas

Exhaust Gas Hazard  
Carbon Monoxide Gas  
The engine exhaust from this vehicle contains carbon monoxide, a colorless,  
odorless, and highly toxic gas. As long as you properly maintain your vehicle, carbon  
monoxide gas will not get into the interior.  
3WARNING  
Carbon monoxide gas is toxic.  
Have the exhaust system inspected for leaks whenever  
The exhaust system is making an unusual noise.  
The exhaust system may have been damaged.  
The vehicle is raised for an oil change.  
Breathing it can cause unconsciousness and  
even kill you.  
Avoid any enclosed areas or activities that  
expose you to carbon monoxide.  
When you operate a vehicle with the tailgate open, airflow can pull exhaust gas into  
the interior and create a hazardous condition. If you must drive with the tailgate  
open, open all the windows and set the climate control system as shown below.  
An enclosed area such as a garage can quickly fill up  
with carbon monoxide gas.  
Do not run the engine with the garage door closed.  
Even when the garage door is open, drive out of the  
garage immediately after starting the engine.  
1. Select the fresh air mode.  
2. Select the  
mode.  
3. Set the fan speed to high.  
4. Set the temperature control to a comfortable setting.  
Adjust the climate control system in the same manner if you sit in your parked  
vehicle with the engine running.  
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