Installation Procedure

WARNING: This page is about a different car, the 2020 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

Clean the windshield wiper transmission pivot shaft splines with a soft wire brush before installing the windshield wiper arm (3).
Position the windshield wiper arm (3) on the windshield wiper transmission pivot shaft.

CAUTION:

Refer to Fastener Caution .

Windshield Wiper Arm Nut (2) - Install and tighten - Fastener Specifications
Windshield Wiper Arm Finish Cap (1) - Install
Courtesy of GENERAL MOTORS COMPANY

If required, realign the windshield wipers to their respective alignment circles (1) on the windshield.
1. Lubricate the windshield with clean washer fluid.
2. Run the windshield wipers for two complete cycles then turn off the windshield wipers.
3. Ensure the windshield wipers are in the full park position.
4. Inspect the windshield wipers for proper position to the alignment circles (1) on the windshield.