31. Should I install a carbon monoxide detector ? 32. "If everyone had a carbon monoxide detector , sure, it would tax some staffing levels, " he said. 33. Install a carbon monoxide detector with an warning alarm that meets the Underwriters Laboratories standard UL 2034. 34. Finally, install one or more carbon monoxide detectors in your home as well as in your car. 35. When carbon monoxide detectors were introduced into the market, they had a limited lifespan of 2 years. 36. Check the batteries in all smoke and carbon monoxide detectors and replace those that are old or weak. 37. A carbon monoxide detector is advisable as well; most reliable are those that plug into a wall outlet. 38. Carbon monoxide detectors should be placed close to sleeping areas, particularly in rooms with fuel-burning heaters or fireplaces.39. _Smoke and carbon monoxide detectors . 40. The Costar P-1 Personal Carbon Monoxide Detector clips on a vehicle's visor or the driver's belt or shirt pocket.