There are a few clips that hold it in place. If you look below, I attached the directions for removal. Note that the directions are for replacing the release bearing. However, they explain how the release lever is removed as well.
Take a look through them and let me know if they help.
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.