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:
Touch Screen Buttons
Touch screen buttons are on the
screen and highlighted when a
feature is available. Some toggle
screen buttons highlight when active
and gray out when inactive. ...
Steering Wheel Controls
Steering Wheel Controls
For vehicles with audio steering
wheel controls, some audio controls
can be adjusted at the steering
wheel.
(Push to Talk): For vehicles
with a Bluetooth®, OnStar ...
Using Cruise Control on Hills
How well your cruise control works on hills
depends upon your speed, load and the steepness
of the hills. When going up steep hills, you may
want to step on the accelerator pedal to maintain
your ...