Engine Oil Additives
Do not add anything to the oil. The recommended oils with the starburst symbol that meet GM Standard GM6094M are all you will need for good performance and engine protection.
See also:
Pulling a Trailer
Here are some important points:
• There are many laws, including
speed limit restrictions that apply
to trailering. Check for legal
requirements.
• Do not tow a trailer at all during
the ...
OnStar Steering Wheel Controls
This vehicle may have a Talk/Mute button that can be
used to interact with OnStar hands-free calling. See
Audio Steering Wheel Controls for more
information.
On some vehicles, the mute button c ...
Service Bulletins
Service Bulletins give additional
technical service information
needed to knowledgeably service
General Motors cars and trucks.
Each bulletin contains instructions
to assist in the diagnosis ...