What are alerts? There are seven alerts in Trakngo. Speed alert: This will alert you if a vehicle goes above a set speed. Service alert: This will alert you if a vehicle needs to be serviced. Temperature alert*: This will alert you if the temperature of a vehicle between goes outside of a set range. Note: this requires a temperature probe to be installed in your vehicle. Tamper alert*: This will alert you if the tracker was unplugged from your vehicle. Stolen alert: This will alert you of any activity on a vehicle. It cannot tell you whether you vehicle is being stolen. Only assign vehicles that you know to be stolen. Towing alert: This will alert you if a vehicle is being towed. Offline alert: This will alert you if a vehicle was offline for more than a set number of hours. * : Appropriate tracker and/or accessory required.