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:
Antilock Brake System (ABS) Warning Light
For vehicles with the Antilock Brake System (ABS), this light comes on briefly
when the engine is started. If the light does not come on, have it fixed so it will
be ready to warn if there is a ...
Lockout Protection
This feature protects you from locking the key in the vehicle when the key is in the ignition and a front door is open.
If the driver side power door lock switch is pressed when the driver door is op ...
Trailer Gain Adjustment Procedure
Trailer Gain should be set for a specific trailering condition and must be adjusted any time vehicle loading, trailer loading, or road surface conditions change.
Setting the Trailer Gain properly is ...





