Turn on the car s engine for about 10 minutes each hour. Run the heater when the car is running. Also, turn on the car s dome light when the car is running. Beware of carbon monoxide poisoning. Keep the exhaust pipe clear of snow and open a downwind window slightly for ventilation.
Cold weather puts an added strain on the heart.
Unaccustomed exercise such as shoveling snow or pushing a car can bring on a heart attack or make medical conditions worse. Be aware of the symptoms of dehydration.