Volkswagen Golf GTI 2016, Owner'S Manual

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Cleaning windows and outside mirrors
Spray windows and outside mirrors with a commercially available
alcohol-based window cleaner.
Dry windows and mirrors with a clean chamois or a lint-free cloth.
Do not use a chamois that has been used to wipe painted surfaces
because it will have absorbed an oily residue that will smear the
glass surfaces.
Use window cleaner or a silicone remover to remove rubber, oil,
grease and silicone deposits → .
Removing wax residue
Automatic car washes and vehicle care products can leave a wax
residue on all glass surfaces. These wax residues can only be
removed with special cleaners or cleaning cloths. Wax residue left
on the windshield can cause the windshield wipers to grab and
squeak instead of gliding smoothly. We recommend that after every
car wash you remove any wax residue left on the windshield with a
window cleaning cloth/chamois - G 052 522 A1 - or equivalent.
Windshield wiper squeak and grab can be reduced by filling the
windshield washer fluid tank with a wiper fluid containing wax-