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:
Winter Tires
Consider installing winter tires on the vehicle if frequent driving on snow or
ice covered roads is expected. All season tires provide good overall performance
on most surfaces, but they may not o ...
Horn
Press near or on the horn symbols on your
steering wheel pad to sound the horn. ...
Setting Preset Stations
Up to 30 stations (six FM1, six FM2, and six AM,
six XM1 and six XM2 (if equipped)), can be
programed on the six numbered pushbuttons, by
performing the following steps:
1. Turn the radio on.
2 ...