The auto signaling is a special electronic device that motorists install on their car. This device is intended to prevent the possibility of hijacking a beloved and so expensive, in the literal and figurative sense, a car with any bad people who want to seize the bloody and then property. This must be prevented by any possible way. Therefore, alarm installed on a car is not a luxury at all, this is the need for our life. And the choice of alarm must be approached with all responsibility. There are several types of alarms. For example, there are GSM systems. This auto -signaling works perfectly regardless of how far the car is located from it. Control and receiving signals from it on a mobile phone. Also, there are bilateral alarms that send information about the condition of the car to a keychain, the one you carry with you. There are also unilateral alarms that do not send you any information, but simply turn on the siren, block the engine and the central castle. And there are also alarm with auto -launch and elite models. The first makes it possible to warm up the engine in advance while you are still far from the car. Such protection can be installed on a car with an automatic gearbox, and with manual, both for diesel and a car with a gasoline engine. And the alarm of the elite class gives the most reliable protection: there are additional hidden locks, and GSM module, and wireless relay. However, of course, do not forget that the alarm is far from one hundred percent guarantee that your car can never be stolen. It only prevents unauthorized access to it, and can also prevent theft of its components.