Service
Your dealer knows your vehicle best and wants you to be happy with it. We hope you will go to your dealer for all your service needs. You will get genuine GM parts and GM-trained and supported service people.
We hope you will want to keep your GM vehicle all GM. Genuine GM parts have one of these marks:

See also:
Compass Variance
Compass variance is the difference between earth’s
magnetic north and true geographic north. The
mirror is set to zone eight upon leaving the factory.
It will be necessary to adjust the compass ...
Steering Wheel Controls
Steering Wheel Controls
For vehicles with audio steering
wheel controls, some audio controls
can be adjusted at the steering
wheel.
(Push to Talk): For vehicles
with a Bluetooth®, OnStar ...
