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:
Parking Brake (Manual)
he parking brake pedal is located
on the lower portion of the
instrument panel to the left of the
steering wheel.
To set the parking brake, hold the
brake pedal down, then push the
parkin ...
Fuel Gauge
Metric
English
When the ignition is on, the fuel gauge indicates about how much fuel is
left in the tank.
An arrow on the fuel gauge indicates the side of the vehicle the fuel door
...
PARK BRAKE RELEASED
For vehicles with the electric parking
brake, this message displays
when the parking brake has been
released from the set position.
See the electric parking brake
information under Parking Br ...