1997 Chevrolet Astro Owner's Manual - Page 313

Protecting Exterior Bright Metal Parts Bright metal parts should be cleaned regularly to keep their luster. Washing with water is all that is usually needed. However, you may use chrome polish on chrome or stainlesssteel trim, if necessary. Use special care with aluminum trim. To avoid damaging protective trim, neveruse auto or chrome polish, steam or caustic soap to clean aluminum. A coating of wax, rubbed parts. to high polish, is recommended for all bright metal Cleaning Tires To clean your tires, use a stiff brush with a tire cleaner. NOTICE: When applyinga tire dressing always take care to wipe off any overspray splash from all painted or surfaces on the bodyor wheels of the vehicle. Petroleum-based products may damage the paint finish. Aluminum Wheels(If Equipped) Keep your wheels clean using a soft clean clothwith mild soap and water. Rinse with clean water. After rinsing thoroughly, dry with a soft clean towel. A wax may then be applied. The surface of these wheels is similar to the painted surface of your vehicle. Don't use strong soaps, chemicals, abrasive polishes, abrasive cleaners abrasive cleaning or brushes on them because you could damage the surface. Don't take your vehicle through an automatic carwash that has silicon carbide tire cleaning brushes. These brushes can also damage surface of these wheels. the Sheet Metal Damage If your vehicle is damaged and requires sheet metal repair or replacement, make sure the body repair shop applies anti-corrosion material to the parts repaired or replaced to restore corrosion protection. 6-57