1998 GMC Suburban Owner's Manual - Page 232

If You're Caught in a Blizzard Tie a red cloth to your vehicle to alert police that you've been stopped by the snow. Put on extra clothing or wrap a blanket around you. If YOLI have no blankets or extra clothing, make body insulators 1'1.on1 newspapers, burlap bags, rags, floor mats -- anything you can wrap around yourself or tuck under your clothing to keep warm. If you are stopped by heavy snow, you could be in a serious situation. You should probably stay with your vehicle unless you know for sure that you are near help and you can hike tlvough the snow. Here are some things to do to sunlmon help and keep yourself and your passengers safe: Turn on your hazard flashers. You can run the engine to keep warm, but be careful. 4-40