Open sliding roof by about 20 cm (8 in.). Press away the front panel lining with a smooth, flat lever.
Close the sliding roof. Push back the lining. Turn back the retaining spring. Remove the guide.
Pull the keeper plate away from the guide.
Remove the keeper plate and guide.
Warning: Before removing, mark installed position of guide. Remove guide on the opposite side in the same sequence of operations. Lift out the sliding roof panel.