C70 L5-2.4L Turbo VIN 63 B5244T7 (2003)
The rear side panel must be removed before any adjustment can take place, see Panels See: Interior Moulding / Trim/Trim Panel/Service and Repair.
Begin adjusting the window so that it takes lightly on the corner of the C post trim and on the weatherstrip on the rear side window. Then adjust the
window so that it lies against all the C post trim, down to the B post in the same way.
Check for leaks between the rear side window and weatherstrip, see Checking the seal, front side window.
Adjusting the rear side window longitudinally