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:
Compact Spare Tire
WARNING!
Driving with more than one
compact spare tire at a time could
result in loss of braking and
handling. This could lead to a
crash and you or others could be
injured. Use only one co ...
For Better and Worse
Without a doubt, the ATS feels a lot like the recently redesigned 3 Series
sedan, with comparable attributes inside as well. The backseat has almost a
half-inch more legroom than the 3 Series, but ...
When to Check
Check the tires once a month or more.
Do not forget the spare tire. See Full-Size Spare Tire for additional
information. ...