1998 Chevrolet Astro Owner's Manual - Page 209

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. ~ ~ ~ Sr Y can trap exha. ler your vehicle. This can cause deadly60 (carbon monoxide) gas to get inside. CO could overcomeyou and kill you. You can't see it smell it, so you might not or know it is in your vehicle. Clear away snow from around the base your vehicle, especially any of that is blocking your exhaust pipe. And check around again from time to time to be sure snow doesn't collect there. Open awindow just a little on the side the of vehicle that's away from thewind. This will help keep CO out. Run your engine only as long as you must. This saves fuel. When you run the engine, make it go a little faster than just idle. That is, push the accelerator slightly. This uses less fuel for the heat that you get and it keeps the battery charged. You will need a well-charged battery to restart the vehicle, and possiblyfor signaling later on with your headlamps. Letthe heater run for a while. You can run the engine to keep warm, but be careful. 4-25