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:
Air Vents
Move the sliding knob on the air outlets up and down or left and right to
direct the airflow. Use the thumbwheels near the air outlets to open or close
off the airflow.
Operation Tips
- Clear ...
Ride Control System Messages
SERVICE STABILITRAK
If your vehicle has StabiliTrak and this message displays, it means there may
be a problem with the StabiliTrak system. If you see this message, try to reset
the system. Stop; ...
When to Change Engine Oil
This vehicle has a computer system that indicates when to change the engine
oil and filter. This is based on a combination of factors which include engine
revolutions, engine temperature, and miles ...