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
vehicle is equipped with the Tire
Pressure Monitoring System. If a
diagnostics check is needed
between e-mails, push 
, and an
Advisor can run a check.
See also:
XM Categories
XM channels are organized in categories.
Removing or Adding Categories
Channels in a category that have been removed can still be accessed by using
thes© or ¨\buttons, or the TUNE/MENU knob. ...
Door Locks
WARNING!
Unlocked doors can be
dangerous.
• Passengers, especially
children, can easily open the
doors and fall out of a moving
vehicle. The chance of being
thrown out of the vehicle in ...
Playing the Radio
PWR (Power): Push this knob to turn the system
on and off.
VOLUME
: Turn this knob clockwise or
counterclockwise to increase or to decrease
the volume.
INFO (Information): When the ignition is ...