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:
Programming the Power Windows
Programming the power windows may be necessary if the vehicle's battery has
been disconnected or discharged.
If the window will not express up after power has been restored and a
message is displ ...
Engine Coolant Temperature Gauge
Metric
English
This gauge measures the temperature of the vehicle's engine.
If the indicator needle moves into the shaded area, the engine is too hot.
While driving under normal op ...
Additional Factors Affecting System Operation
Safety belts help keep the
passenger in position on the seat
during vehicle maneuvers and
braking, which helps the passenger
sensing system maintain the
passenger airbag status.
See “Safety ...