Guide Rails, Cleaning And Lubricating.
-- 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-.
-- 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.