How dangerous is carbon monoxide, and what are warning signs?

How dangerous is carbon monoxide, and what are warning signs?

Reed Berry (Driving Expert) gives expert video advice on: How can I prevent carbon monoxide poisoning? and more...

Carbon monoxide is extremely dangerous and in high concentrations, death from carbon monoxide poisoning can occur within 10 minutes. If you think you've been exposed to carbon monoxide in your vehicle, some of the warning signs of carbon monoxide poisoning to look for would include weariness, headache, nausea, dizziness and possibly even ringing in the ears.