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:
Climate Control Systems
The vehicle's heating, cooling, defrosting, and ventilation can be controlled
with this system.
A. Fan Control
B. Air Delivery Mode Controls
C. Temperature Control
D. Outside Air
E. Front ...
Shifting In or Out of Neutral
1. With the vehicle running and the engine at an idle, set the parking brake.
2. Place the transmission into N (Neutral).
Shift the transfer case in one continuous motion into or out of the N (Neutr ...
Lamps On Reminder
For vehicles with the lamps on reminder light, it comes on when the lights are
in use. ...