1993 Chevrolet Cavalier Owner's Manual - Page 162

Your Driving and the Road lf bu're Caught ina B l i n d (CONT) If You're Stuck inDeep Snow Then, shut the engineoff and close the window almost all the way to preserve the heat. Start the engine again and repeat this only when you feel really uncomfortable from the cold. But do it as little as possible. Preserve the fuelas long as you can. To help keep warm,you can get outof the vehicle and do some fairly vigorous exercises every half-houror so until help comes. This manual explains how to get the vehicle out of deep snow without damaging it. See theIndex under Rocking Your Ehicle. Run your engine only as longas you must, This saves fuel. When you run the engine, make it go little faster a than just idle. That is, push the accelerator slightly. This uses less fuel for the heat that you get andkeeps it the battery charged. You will need a well-charged battery to restart the vehicle, and possibly for signaling later on with your headlights. Let the heater run for a while.