If your car has frozen so that you can't even open the door, you need to start resuscitation. For a start try to open the lock with a key, not a key chain alarm or immobilizer. In the case where the lock does not respond, it is necessary to warm. This is suitable for any outdoor source of fire: lighter, paper burning with a single tip or a special automotive tool for thawing the frozen parts. Also it is successfully applied to different alcohol-containing liquid. Warm the lock, periodically trying to re-insert the key and crank. Sooner or later you will succeed.
In the case when your car is on the alarm after the door is opened you should immediately try to turn it off. To do this, inside the car there is a special button. The main task - to remember where it is located.
The next test that you can survive in a frozen car is giving the car to start. Again and again turning the key in the ignition, you can not hear the roar of the engine. So the car still can start, experts recommend not to drive the starter more than 15 seconds. If the engine does not respond to your attempts, wait a few moments. Then try again. However, if after 3-4 attempts the car would not start, no longer do. Otherwise you risk to ruin the engine completely.
Not to get in trouble with frozen motor, prepare for winter in advance - buy a special device to thaw frozen car engines. Is a heater a small appliance that is powered by 220 volts. Cost of about 3000 p.
Also to start the car in winter you will be easier if you carefully monitor your iron horse. This requires that the car is always fully charged battery. Oil for engine and gear box, you must use only the best. Sometimes the experts recommend at night to pour a little gasoline into the oil. This will prevent freezing of the most important parts of the car.
Since the car is primarily freezes the battery, the factory in the morning can get rid of simply taking the battery into heat.
That car did not freeze glass, once you arrived to your destination, open all doors. Wait next to the machine for 3-4 minutes, until the interior ventilated. This way you equalize the temperature difference that occurs between the warm interior and cold air outside.