With the proliferation of satellite navigation systems and smart phones, many employers have contemplated using GPS tracking to increase efficiency, and frankly, to keep a better eye on their employees during the work day. The use of GPS tracking in a vehicle can be lawful, there are some limitations to keep in mind.
First, you

It is not uncommon for employers to assign badges to their employees to grant access to certain locations on the employer’s property and parking garages. Many employees have them, use them, lose them and think little of them. But, badges made by Humanyze are so much more, raising concerns from privacy advocates and others. According
The Privacy Shield is meant to replace the EU-U.S. Safe Harbour agreement