1997 Buick Riviera Owner's Manual - Page 191

If You're Caught in a Blizzard Tie a red cloth to your vehicle alert police that to you've been stopped by snow. the Put on extra clothing or wrap a blanket around you. If you haveno blankets or extra clothing, make body floor insulators from newspapers, burlap bags, rags, 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 sure that you near help for are are and you can hike through the snow. Here some things todo to summon help and keep yourself and your passengers safe: Turn on your hazard flashers. You can run the engine to keep warm, but be careful. 4-28