Specification
Use and ask for licensed engine oils with the dexos1™ approved certification mark. Engine oils meeting the requirements for the vehicle should have the dexos1 approved certification mark.
This certification mark indicates that the oil has been approved to the dexos1 specification.

Notice: Failure to use the recommended engine oil or equivalent can result in engine damage not covered by the vehicle warranty. Check with your dealer or service provider on whether the oil is approved to the dexos1 specification.
See also:
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can
be obtained from your dealer.
...
Vehicle Speed Messages
ICE POSSIBLE DRIVE
WITH CARE
This message displays when the
outside temperature is cold enough
to create icy road conditions.
Adjust your driving accordingly.
SPEED LIMITED TO
XXX KM/H (MPH ...
Storing and Deleting Phone Numbers
The system can store up to 30 phone numbers as name tags in the Hands—Free
Directory that is shared between the Bluetooth and OnStar systems.
The following commands are used to delete and store ph ...






