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:
Door Locks (Sedan and Wagon)
WARNING!
Unlocked doors can be
dangerous.
- Passengers, especially
children, can easily open the
doors and fall out of a moving
vehicle. When a door is
locked, the handle will not
open i ...
Heated and Ventilated Seats
The buttons are on the climate control panel.
: Press to cool the entire seat.
: Press to heat the seatback only.
: Press to heat the seat and seatback.
Press the desired button once for the ...
Mobile Apps
Mobile apps are available for
download through iTunes® to then
access the iPhone® App Store
and Google™ Marketplace for
Android™. Search for the apps to
download. The apps are free of
char ...