Later, this information can be downloaded. A passive system is when the GPS collects this same sort of data about where a vehicle is driven and stores the information. Because the tracking company knows where the vehicle is, they can tell the police, who then can recover your car. GPS tracking systems have proven to be a valuable feature on vehicles. If your car has a GPS tracking system, it is in active system. Finally, as any driver will tell you who has the GPS mapping feature in his car, having good directions so that you don't get lost can really be a timesaver. In the case of an active system, information about the vehicle is sent to a monitoring location. Many people also like the mapping feature of a GPS tracking system. . This not only helps prevent employee abuse, it also enables the company to recover their vehicles if they are stolen. The employer is able to know at any moment where every truck and car is.GPS works using a satellite system built by the government. Depending on how sophisticated the security system is in your car, you may also have a unit that will notify you if your car is moved without your permission. You can arrange for a message to be sent to your cell phone, for instance, letting you know that your car is being taken. If you've been in an accident or have an emergency. The events have happened in the past. The monitoring company can tell where the vehicle is and also how fast it's going when it is being driven. GPS tracking systems are also used to recover stolen vehicles. You can communicate with someone at the tracking location. That way, you can notify police