Berger Chevrolet in Grand Rapids is giving first responders and health care workers a free car disinfectant service, Wood TV 8 reports.

Berger Chevrolet says the disinfectant used is approved by the U.S. Environmental Protection Agency and the Food and Drug Administration, and does not leave a residue. A video explaining the process is above.

The service is being offered as a thank you to those working the front lines during the coronavirus pandemic and no purchase is necessary.