Staying safe is all about prevention. A good carbon monoxide detector is important. Make sure that your home has adequate detectors installed. It can mean the difference between life and death.
The US Consumer Product Safety Commission puts out this list of Questions and Answers:
How many people are unintentionally poisoned by CO?
What are the symptoms of CO poisoning?
How can I prevent CO poisoning?What CO level is dangerous to my health?
What should I do if I am experiencing symptoms of CO poisoning and do not have a CO alarm, or my CO alarm is not going off?
Are CO alarms reliable?
How should a consumer test a CO alarm to make sure it is working?
How should I install a CO Alarm?
What should you do when the CO alarm sounds?
Do some cities require that CO alarms be installed?
Should CO alarms be used in motor homes and other recreational vehicles?