Return to Factory Settings
Select Return to Factory Settings to return all of the vehicle personalization to the default settings. Turn the Menu knob to select Yes or No. Press SELECT to confirm and go back to the last menu.
See also:
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 v ...
Scheduled Maintenance
When the CHANGE ENGINE OIL DIC message
comes on, it means that service is required
for your vehicle. Have your vehicle serviced as
soon as possible within the next 600 miles
(1 000 km). It is poss ...
How to Add Automatic TransmissionFluid
Refer to the Maintenance Schedule to determine
what kind of transmission fluid to use.
Add fluid only after checking the transmission fluid
while it is hot. A cold check is used only as a
referenc ...