General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:
See also:
Testing the Alarm
To test the alarm:
1. From inside the vehicle, lower the driver window and open the driver door.
2. Activate the system by locking the doors with the power door lock switch while
the door is open, ...
TTY Users
OnStar has the ability to
communicate to the deaf,
hard–of–hearing, or speech–impaired
customers while in the vehicle.
The available dealer–installed TTY
system can provide in-vehicle
acces ...
CTS Coupe in the Market
In terms of arresting exterior design and luxurious cabin furnishings, the
CTS coupe has it made. Many coupe buyers, though, want more than a car that just
looks great: They want something that go ...