1993 GMC Suburban Owner's Manual - Page 221

AM480003 Herearesometipsforwinterdriving. B e Haveyourvehicle in goodshapeforwinter.Besureyourenginecoolant mix is correct. Snowtirescanhelp in loosesnow,buttheymaygiveyou less traction If youdonotexpect to bedriving in deep onicethanregulartires. snow, but mayhave to traveloverice,youmaynotwant to switch to snowtiresatall. to putwinteremergencysuppliesinyourvehicle. * Youmaywant Includeanicescraper,asmallbrushorbroom,asupplyofwindshield washerfluid, arag,somewinterouterclothing,asmallshovel,aflashlight,a redcloth,andacouple of reflectivewarningtriangles.And, if you will be drivingundersevereconditions,include a smallbag ofsand, apiece of old carpetor a couple of burlap bags to help provide traction. Be sure you properly secure these items in yourvehicle. Driving on spaow or Ice Most of the time, those places where your tires meet the road probably have goodtraction. However, if there is snoworicebetweenyourtiresandthe road, you can have a very slippey situation.You'llhavealotlesstractionor"grip"andwill needtobeverycareful. 4-53