Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle.
See also:
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:
...
Doing Your Own Service Work
WARNING
You can be injured and the vehicle could be damaged if you try to do service
work on a vehicle without knowing enough about it. . Be sure you have sufficient
knowledge, experience, the pr ...
Tires
Every new GM vehicle has high-quality tires made by a leading tire manufacturer.
See the warranty manual for information regarding the tire warranty and where to get service. For additional informati ...