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:
How to Check Automatic Transmission
Fluid (3.9L Engine)
Because this operation can be a little difficult, you may
choose to have this done at the dealer/retailer service
department.
If you do it yourself, be sure to follow all the instructions
here, ...
With Selective Ride Control
1. Move the shift lever to the left
from D (Drive).
The vehicle will be in Sport
Mode. The gear indicator in the
DIC will still display a D for
Drive, and the SPORT MODE
ON message will be ...
Storing a Station as a Favorite
Stations from all bands can be
stored in any order in the favorite
pages.
Up to six stations can be stored in
each favorite page and the number
of available favorite pages can
be set.
Stor ...