ION L4-2.4L (2007)
IMPORTANT: Note the number and location of the factory welds for installation of the rear window reinforcement.
6. Locate and drill out all the necessary factory welds.
7. Remove the rear window reinforcement.
Installation Procedure
IMPORTANT: If the location of the original plug weld holes can not be determined, space the plug weld holes every 40 mm (1 1/2 in) apart.