Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9159276) - 2016 - crc - 10/5/15210 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(parking garages, tunnels,deep snow that may blockunderbody airflow or tailpipes).. The exhaust smells orsounds strange or different.. The exhaust system leaksdue to corrosion or damage.. The vehicle exhaust systemhas been modified,damaged, or improperlyrepaired.(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 thewindows completely 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.If the vehicle is left with the enginerunning, follow the proper steps tobe sure the vehicle will not move.See Shifting Into Park 0 208 andEngine Exhaust 0 210.
