In any connected object, geolocation is a feature that exists to locate recipients to collect information and send messages to them. In companies, locating vehicles is a very important lever to master especially when it comes to a very important fleet of vehicles. The car fleet is a very valuable resource for a transport, mining, oil and tourism company. For a company, a localization system is essential for managing itinerant resources. What are the advantages of this technology? What is its importance for fleet management?