1998 Buick Riviera Owner's Manual - Page 194

If you are stopped by heavy snow, you could in a be serious situation.You should probably stay with your vehicle unless you know for sure that you arenear help and you can hike through the snow. Here are some things todo to s u m o n help and keep yourself and your passengers safe: T r on your hazard flashers. un 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 you have no blankets or extra clothing, make body insulators from newspapers, burlap bags, rags, floor mats -- anything you can wrap around yourself or tuck under your clothing to keep warm. You can runthe engine to keep warm, but be careful. 4-27