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:
Turning the System On and Off
The UFRPA system can be turned on and off by pressing the park assist button
located next to the shift lever.
The LED next to the park assist button lights up when the system is on and
turns ...
DVD Display Error Messages
The DVD display error message depends on which radio the vehicle has. The
video screen may display one of the following:
Disc Load/Eject Error or Mechanical Error: There are disc load or eject
pr ...
Braking
Braking action involves perception time and reaction time. Deciding to push
the brake pedal is perception time. Actually doing it is reaction time.
Average driver reaction time is about three-quar ...