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:
SERVICE SIDE BLIND ZONE
ALERT SYSTEM
If this message appears, both SBZA
displays will remain on indicating
there is a problem with the SBZA
system. If these displays remain on
after continued driving, the system
needs service. ...
Radio Frequency
Statement
This vehicle has systems that
operate on a radio frequency that
comply with Part 15 of the Federal
Communications Commission (FCC)
rules and with Industry Canada
Standards RSS–GEN/210/220/31 ...
Customer Assistance Offices (Mexico)
To contact the Customer Assistance Center (CAC), use the phone numbers
listed in this section.
Customer assistance is available Monday through Friday, 08:00 to 20:00
hours, and Saturdays from 08: ...