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:
Calibrate Compass
The vehicle may have this feature.
The compass can be manually
calibrated. To calibrate the compass
through the DIC, see Compass. ...
Collision Parts
Genuine GM Collision parts are new
parts made with the same materials
and construction methods as the
parts with which the vehicle was
originally built. Genuine GM
Collision parts are the be ...
Vehicle Speed Messages
SELECTED SPEED LIMIT EXCEEDED
This message is displayed when the vehicle speed is greater than the set
speed. See "Speed Warning" under Driver Information Center (DIC). ...