1999 GMC Sierra 1500 Pickup Owner's Manual - Page 232

Your Driving and the Road If You're Caught in a Blizzard AM48002 If youarestopped byheavysnow,you could be inaserioussituation. You shouldprobablystaywithyourvehicleunlessyouknowforsurethatyouare to do to nearhelpandyoucanhikethroughthesnow.Herearesomethings summonhelpandkeepyourselfandyourpassengerssafe:Turnonyour hazardflashers.Tiearedclothtoyourvehicletoalertpolicethatyou've beenstoppedbythesnow.Putonextraclothingorwrapablanketaround you.Ifyouhavenoblanketsorextraclothing,makebodyinsulatorsfrom newspapers,burlapbags,rags,floormats-anythingyoucanwraparound to keepwarm. yourself or tuck under your clothing Youcanrun theenginetokeep warm,butbecareful, I Snowcantrapexhaustgasesunderyourvehicle.Thiscancause CO couldovercome deadly CO (carbonmonoxide)gastogetinside. it orsmell it, so youmightnotknow youandkillyou.Youcan'tsee it is inyourvehicle.Clearawaysnowfromaroundthebase of your vehicle,especiallyanythat is blocking yourexhaustpipe.Andcheck to besuresnowdoesn'tcollectthere. aroundagainfromtimetotime Openawindowjustalittleonthesideofthevehiclethat'saway This the I wind. from will help keep CO out. I 4-54