1994 Cadillac Seville Owner's Manual - Page 215

Run your engine only as long as you must. saves fuel. When you run This the engine, make it go little fasterthan just idle.That is, pushthe a accelerator slightly. This uses less fuel the heat that you get and it for keeps the battery charged.You will need a well-charged batteryto restart Let the vehicle, and possibly for signaling on with your headlights. the later heater run for awhile. the the Then, shut engine off and close window almost all way to preserve the the heat. Start the engine again and repeat this only when you feel really uncomfortable fromthe cold. Butdo it as little possible. Preservethe fuel as To you out as long as you can. help keep warm, can get of the vehicle and do some fairly vigorous exercises every half hour until help comes. or so 202