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" width=19
height=17 id="_x0000_i1807" src="images/books/1183/10/index.2.gif" border=0>, and an
Advisor can run a check.
See also:
California Perchlorate Materials Requirements
Certain types of automotive applications, such as airbag initiators, safety belt
pretensioners, and lithium batteries contained in Remote Keyless Entry transmitters,
may contain perchlorate materi ...
Battery Voltage and Charging Messages
BATTERY LOW START VEHICLE
When the vehicle’s battery is severely discharged, this message will display
and four chimes will sound. Start the vehicle immediately. If the vehicle is not
started and ...
Other Information
The Bluetooth® word mark and logos are owned by the Bluetooth® SIG, Inc. and
any use of such marks by General Motors is under license.
Other trademarks and trade names are those of their respectiv ...