OnStar Services

See also:

Maintenance When Trailer Towing
The vehicle needs service more often when pulling a trailer. See the Maintenance Schedule for more information. Things that are especially important in trailer operation are automatic transmission ...

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 clea ...

U-Rail
For vehicles with a u-rail system, the fence can be moved to different positions on the u-rail track to secure cargo. Push both adapter buttons to move the adapters (B) on the straight par ...