Check that you have a strong connection to the internet via either Wi-Fi or cellular.
Location Services must be enabled at Settings > Privacy > Location Services.
To allow Precision Finding, and to see the most accurate location of your SmartTrack, turn on Location Access for Find My. Go to Settings > Privacy > Location Services, then scroll down and tap Find My. Turn on "While Using the App" or "While Using the App or Widgets." Then turn on Precise Location.