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:
Throttle and Brake Pedal Adjustment
If the vehicle has this feature, the position of the throttle and brake
pedals can be adjusted.
The switch used to adjust the pedals is located on the right side of the
steering column, below the ...
Vehicle Security
This vehicle has theft-deterrent
features; however, they do not make
it impossible to steal. ...
Accessories and
Modifications
Adding non–dealer accessories or
making modifications to the vehicle
can affect vehicle performance and
safety, including such things as
airbags, braking, stability, ride and
handling, emiss ...