Engine Oil Additives / Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the starburst symbol that meet GM Standard GM6094M are all that is needed for good performance and engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
See also:
Receiving a Call
When an incoming call is received,
the audio system mutes and a ring
tone is heard in the vehicle.
• Press to answer the call.
• Press to ignore a call. ...
Privacy
The complete OnStar Privacy
Statement may be found at
www.onstar.com. Privacy-sensitive
users of wireless communications
are cautioned that the privacy of any
information sent via wireless c ...
Driving with a Trailer
CAUTION:
If you have a rear-most window open and
you pull a trailer with your vehicle, carbon
monoxide (CO) could come into your
vehicle. You cannot see or smell CO.
It can cause unconsciousn ...