Owner's Manual
Page 311
...may use strong soaps, chemicals, abrasive polishes, abrasive cleaners or abrasive cleaningbrushes on the body or wheels of the vehicle. These brushes can take your vehicle's finish if they remain on chrome or stainless steel trim, if necessary. However, you could damage the surface. Tires To clean your wheels...using a soft clean clothwith mild soap and water. Rinse with a soft clean towel. Don't use GM Chrome Polish on painted surfaces. To avoid damaging protective trim, never use non-abrasive cleaners that are subject to wipe off any overspray or splash from painted all that...
...may use strong soaps, chemicals, abrasive polishes, abrasive cleaners or abrasive cleaningbrushes on the body or wheels of the vehicle. These brushes can take your vehicle's finish if they remain on chrome or stainless steel trim, if necessary. However, you could damage the surface. Tires To clean your wheels...using a soft clean clothwith mild soap and water. Rinse with a soft clean towel. Don't use GM Chrome Polish on painted surfaces. To avoid damaging protective trim, never use non-abrasive cleaners that are subject to wipe off any overspray or splash from painted all that...