Clean glass surfaces on a regular basis.

1. Use GM P/N 1050427 Glass Cleaner or the equivalent to remove normal tobacco smoke and dust films.
2. Use a nonabrasive cleanser on the outside of the windshield.
3. Clean the wiper blades with a cloth soaked in a solution of one-half water and one-half GM P/N 1051515 Opticlean® or the equivalent.
4. Use an alternative solution of one-half water and one-half methanol alcohol when Opticlean® is not available.
5. Rinse the blade with water.