Reactivation for Subsequent Owners
Push 
and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle.
The Advisor will update vehicle records and will explain the OnStar service offers and options available.
See also:
Engine Oil
To ensure proper engine performance and long life, careful attention must be
paid to engine oil. Following these simple, but important steps will help protect
your investment:
○ Always use ...
Automatic Climate Control System
The vehicle's heating, cooling, defrosting, and ventilation can be controlled
with this system.
A. Fan Control
B. AUTO (Automatic Operation)
C. Air Delivery Mode Controls
D. Front Defrost
...
How Does an Airbag Restrain?
In moderate to severe frontal or near frontal collisions, even belted occupants can contact the steering wheel or the instrument panel. In moderate to severe side collisions, even belted occupants can ...