For 1990-2009 cars

Clean the windows on a regular basis. Use GM Glass Cleaner P/N 1050427 or equivalent in order to remove normal tobacco smoke and dust films.

A non-abrasive cleaner may be used on the outside of the windshield.

Use the following procedure in order to clean the wiper blades:

1. Clean the wiper blades with a cloth soaked in a solution of half water and half GM Optikleen® or equivalent.

A solution of half water and half methanol may be used.

2. Rinse the blade with water.