If your vehicle has manual windows, use the window crank to open and close each window.
Chevrolet Cobalt Owners Manual. Instrument Panel, Vinyl, and Other Plastic Surfaces
A soft cloth dampened with water may be used to
remove dust. If a more thorough cleaning is necessary,
a clean soft cloth dampened with a mild soap solution
can be used to gently remove dust and dirt. Never
use spot lifters or removers on plastic surfaces.
Many commercial cleaners and coatings ...