How to change the rear struts on a 2001 Mercury Cougar?

To change the rear struts on a 2001 Mercury Cougar, first, safely lift and support the vehicle on jack stands. Remove the rear wheels, then unbolt the lower strut mount and detach the upper strut mount inside the trunk. Replace the old struts with new ones, ensuring they are securely fastened, then reassemble the components in reverse order. Finally, reinstall the wheels, lower the car, and perform a test drive to check for proper installation.