Protecting Exterior Bright Metal Parts
Regularly clean bright metal parts with water or chrome polish on chrome or stainless steel trim, if necessary.
For aluminum, never use auto or chrome polish, steam, or caustic soap to clean. A coating of wax, rubbed to a high polish, is recommended for all bright metal parts.
See also:
Storing Radio Station Presets
There are a few ways to store presets.
Up to 36 preset stations can be stored. AM, FM, and XM, if equipped, can be mixed.
1. From the AM, FM, or XM main page, press and hold one of the preset screen ...
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehic ...
Tire Rotation
Tires should be rotated every 12 000 km (7,500 mi). See Maintenance Schedule on page 11‑3.
Tires are rotated to achieve a uniform wear for all tires. The first rotation is the most important.
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