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 Manuals
Service Manuals have the diagnosis
and repair information on the
engines, transmission, axle,
suspension, brakes, electrical,
steering, body, etc. ...
Conditions in Which Remote Start Will Not Work
The remote vehicle start feature will not operate if:
The key is in the ignition (key access) or if the key is in the vehicle
(keyless access).
The hood is not closed.
The hazard warning fl ...
Power Door Locks
On vehicles with power door locks, the switches are
located on the front doors.
(Unlock): Press to unlock the doors.
(Lock): Remove the key from the ignition and press
to lock the doors.
...