OnStar Services
See also:
When to Add Engine Oil
If the oil is below the cross-hatched area at the tip of the dipstick, add 1
L (1 qt) of the recommended oil and then recheck the level. See “Selecting the
Right Engine Oil” in this section for an e ...
XM 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 ...
Comfort and Convenience
Select the Comfort and Convenience menu and the following will be displayed:
- Easy Exit Driver Seat
- Chime Volume
- Reverse Tilt Mirror
- Auto Wipe in Reverse Gear ...






