Warranty
OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information.
See also:
Anti-theft Alarm System Messages
THEFT ATTEMPTED
This message displays if the vehicle detects a tamper condition. ...
General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts
and GM-trained and supported service people.
Genuine GM parts have one of these marks:
...
Once a Month
• Tire inflation check. See Inflation - Tire Pressure.
• Tire wear inspection. See Tire Inspection and
Rotation. ...