Clean and Lubricate the Slotted Guide Rail Guide
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2018 Audi S6, 2018 Audi A6 Quattro, 2018 Audi A6, 2017 Audi S6, and 2017 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
-- Open the glass panel all the way.
-- Remove the grease and remaining dirt on the slotted guide rail guide with a lint-free cloth. (If necessary, remove sand and fine pollen from the slotted guide rails with a shop vacuum).
-- Apply the lubricant G 060 751 A2 with a commercially available paint brush in the marked positions -arrow- on the slotted guide rail guide.
-- Remove the excess lubricant from the slotted guide rail guide with a lint-free cloth.
-- Repeat the process for the opening on the opposite side of the vehicle.