How do you fit high level brake light on citroen Picasso?

To fit a high-level brake light on a Citroën Picasso, first, ensure the vehicle is turned off and the keys are removed. Access the rear hatch by opening it, then locate the mounting area for the light. Remove any cover or screws if necessary, connect the wiring harness to the new brake light, and securely attach the light to the mounting area. Finally, test the light to ensure it functions correctly before closing the hatch.