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:
What to Use
WARNING!
Adding only plain water or some
other liquid to the cooling system
can be dangerous. Plain water
and other liquids, can boil before
the proper coolant mixture will.
The coolant warn ...
Power Seats
A. Seat Position Control
B. Seatback Adjustment Control
C. Lumbar Adjustment Control
To adjust a power seat, if equipped:
- Slide control (A) forward or rearward, and up or down to adjust ...
Belts
- Belts may need replacing if
they squeak or show signs of
cracking or splitting.
- Trained dealer technicians
can inspect the belts and
recommend replacement when
necessary. ...