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:
Disc Music Menu
Press the SELECT knob to access
the Disc music menu.
Turn the SELECT knob to scroll,
then press it to select any of the
following category buttons on the
MP3 music menu to display the
corre ...
Special Application Services
• Severe Commercial Use
Vehicles Only: Lubricate chassis
components every 5 000 km/3,000 mi.
• Have underbody flushing service
performed once a year. ...
Erasing Speed Memory
The cruise control set speed memory is erased by
turning off the cruise control or the ignition. ...