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:
Flash-to-Pass
To flash the high beams, pull the turn signal/lane change lever toward you, and release. ...
Audio System(s)
Determine which radio your vehicle has and then
read the pages following to familiarize yourself
with its features.
Driving without distraction is a necessity for a
safer driving experience.
By ...
Auto Rear Defog
If equipped, this will allow you to
turn the auto rear defog on or off.
This feature will automatically turn
on the rear defogger when it is cold
outside.
Press SELECT when Auto Rear
Defog i ...