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:
Backing Up
Hold the bottom of the steering wheel with one hand.
Then, to move the trailer to the left, move that hand
to the left. To move the trailer to the right, move your
hand to the right. Always back ...
Traction Off Light
This light comes on briefly while starting the engine.
If it does not, have the vehicle serviced by your dealer. If the system is working normally, the indicator light then goes off.
The traction ...
Sensors
The solar sensor, located on top of the instrument panel near the windshield,
monitors the solar heat.
The climate control system uses the sensor information to adjust the temperature,
fan speed, ...