Guide Rails, Cleaning And Lubricating.

WARNING: This page is about a different car, the 2023 Volkswagen Arteon. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Open the sunroof shade completely.

-- Open the glass panel all the way.

-- First remove any loose dirt residue from the guide rail using an industrial vacuum cleaner.

-- Remove the grease and dirt residue on the guide rail with a lint-free cloth.

-- Apply lubricant on the outer guide rail -arrow-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Apply lubricant on the inner guide rail -arrow-.

-- Remove the excess lubricant from the guide rails with a lint-free cloth.

-- Repeat the procedure on the other side of the vehicle.