Black plate (26,1)Cadillac CTS/CTS-V Owner Manual (Include Mex) - 20129-26 Driving and OperatingEngine Exhaust{ WARNINGEngine exhaust contains carbonmonoxide (CO) which cannot beseen or smelled. Exposure to COcan cause unconsciousness andeven death.Exhaust may enter the vehicle if:. The vehicle idles in areaswith poor ventilation (parkinggarages, tunnels, deep snowthat may block underbodyairflow or tail pipes).. The exhaust smells orsounds strange or different.. The exhaust system leaksdue to corrosion or damage.. The vehicle exhaust systemhas been modified, damagedor improperly repaired.(Continued)WARNING (Continued). There are holes or openingsin the vehicle body fromdamage or aftermarketmodifications that are notcompletely sealed.If unusual fumes are detected orif it is suspected that exhaust iscoming into the vehicle:. Drive it only with the windowscompletely down.. Have the vehicle repairedimmediately.Never park the vehicle with theengine running in an enclosedarea such as a garage or abuilding that has no fresh airventilation.Running the VehicleWhile ParkedIt is better not to park with theengine running. But if you ever haveto, here are some things to know.{ WARNINGIdling a vehicle in an enclosedarea with poor ventilation isdangerous. Engine exhaust mayenter the vehicle. Engine exhaustcontains Carbon Monoxide (CO)which cannot be seen or smelled.It can cause unconsciousnessand even death. Never run theengine in an enclosed area thathas no fresh air ventilation. Formore information, see EngineExhaust on page 9‑26.