An automotive vehicle includes one or more computers. The one or more computers are configured to, in a first mode of operation, receive and store, at a plurality of instances, inventory information about assets in a vicinity of the vehicle, and identify patterns in asset inventories based on a history of days and times when the inventory information was received. The one or more computers are also configured to, in a second mode of operation, generate output representing an alert if an asset expected to be in the vicinity of the vehicle on a particular day and time, based on the identified patterns, is not in the vicinity of the vehicle.