Audio System
When using the Bluetooth system, sound comes through the vehicle's front audio system speakers and overrides the audio system.
Use the VOL/ knob during a call to change the volume" width=15 height=16 id="_x0000_i1546"
src="images/books/1183/4/index.21.gif" border=0>knob during a call to change the volume
level.
The adjusted volume level remains in memory for later calls.
The system maintains a minimum volume level.
See also:
Mobile Apps
Mobile apps are available for
download through iTunes® to then
access the iPhone® App Store
and Google™ Marketplace for
Android™. Search for the apps to
download. The apps are free of
char ...
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems.
It also checks the tire pressures, if the v ...
Underbody Maintenance
Use plain water to flush dirt and
debris from the vehicle's underbody.
Your dealer or an underbody car
washing system can do this. If not
removed, rust and corrosion can
develop. ...






