OnStar Steering Wheel Controls
This vehicle may have a Talk/Mute button that can be used to interact with OnStar Hands-Free calling.
See Steering Wheel Controls for more information.
On some vehicles, the Talk button can be used to dial numbers into voice mail systems, or to dial phone extensions. See the OnStar Owner's Guide for more information.
See also:
Windows
Press the switch to lower the
window. Pull the switch up to
raise it.
For more information, see Power
Windows. ...
Why Safety Belts Work
Why Safety Belts Work
When riding in a vehicle, you travel
as fast as the vehicle does. If the
vehicle stops suddenly, you keep
going until something stops you.
It could be the windshield, t ...
Special Application Services
Severe Commercial Use Vehicles Only: Lubricate chassis components every
5 000 km/3,000 mi.
Have underbody flushing service performed once a year.
...