Yes, your employer is allowed to put GPS in your company car. Or another track and trace system. Such as an on-board computer or black box. Your employer must comply with the conditions of the Privacy Act, the AVG. It is only allowed if it is necessary.
Furthermore, your employer must always comply with the general requirements for employee monitoring. For example, your employer must first seek the consent of the works council (OR).
Read more: Monitoring employees with GPS tracker
Source: https://www.autoriteitpersoonsgegevens.nl/themas/werk-en-uitkering/controle-van-werknemers#mag-mijn-werkgever-een-gps-tracker-plaatsen-in-mijn-auto, accessed May 15, 2024.