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:
A/C OFF DUE TO HIGH
ENGINE TEMP
This message displays when the
engine coolant becomes hotter than
the normal operating temperature.
To avoid added strain on a hot
engine, the air conditioning
compressor automatically turns ...
Call Waiting
Call waiting must be supported on the cell phone and enabled by the wireless
service carrier.
Press to answer an incoming
call when another call is active. The original call is placed on hol ...
Emergency Trunk Release Handle
Notice:
Do not use the emergency trunk release handle as a tie-down or anchor point when
securing items in the trunk as it could damage the handle. The emergency trunk release
handle is only i ...