See also:

New for 2010
GM has dropped the long-running 6.0-liter V-8 engine from the Sierra lineup, leaving the powerful 6.2-liter V-8 for heavy towing needs. The rest of the Sierra's eight-cylinder lineup benefits from ...

XM™ Radio Messages
XL (Explicit Language Channels): These channels, or any others, can be blocked at a customer's request, by calling 1-800-929-2100 in the U.S. and 1-877-438-9677 in Canada. XM Updating: The encryption ...

Setting Preset Stations
To store presets: 1. Tune to a radio station. 2. Press and hold one of the six numbered pushbuttons for three seconds until a beep sounds. 3. Repeat Steps 1 and 2 to store additional radio stations ...