So he decided a fun project would be to put a Tile in his wife’s car ... small tracking devices. Here’s an example of hacking of a fitness tracker with all sorts of goodies inside.

AutoWiz OBD GPS Pro Car Tracker - Live Vehicle Tracking, Car Health, Driving Behavior and Fuel Mileage Monitoring. Plug n Play Device, with 1 Year Subscription The Onelap Go GPS tracker is said to ...