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:
Uniform Tire Quality Grading
Quality grades can be found
where applicable on the tire
sidewall between tread shoulder
and maximum section width. For
example: ...
Universal Home Remote SystemOperation (With Three Round LED)
Your vehicle may have the Universal Home Remote
System. If there are three round Light Emitting
Diode (LED) above the Universal Home Remote
System buttons, follow the instructions below.
If th ...
Chemical Paint Spotting
Some weather and atmospheric conditions can
create a chemical fallout. Airborne pollutants can
fall upon and attack painted surfaces on the
vehicle. This damage can take two forms: blotchy,
ring-s ...