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:
Auxiliary Devices (Radio with CD)
The optional AUX input allows portable devices to connect to the vehicle
using the 3.5mm (1/8 in) input jack, the USB port, or Bluetooth® wireless
technology, if equipped.
Portable devices are co ...
Starting the Vehicle with a Low Transmitter Battery
Replace the battery if the REPLACE
BATTERY IN REMOTE KEY
message displays in the DIC.
See “Replace Battery In Remote
Key” under Key and Lock Messages for additional
information.
If the trans ...
FM
FM signals only reach about 16 to
65 km (10 to 40 mi). Although the
radio has a built-in electronic circuit
that automatically works to reduce
interference, some static can occur,
especially ...