OnStar Vehicle Diagnostics can perform a vehicle check every month. It will check
the engine, transmission, antilock brakes, and other major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If an On-Demand Diagnostics check is needed, press
, and an Advisor can run a check.
Connections
OnStar Additional InformationHood
To open the hood:
Pull the hood release handle inside the vehicle. It is on the lower left
side of the instrument panel.
Go to the front of the vehicle and push the secondary hood release lever
up.
Lift the hood and release the hood prop from the prop retainer,
w ...
Cleaning High Gloss Surfaces and Vehicle Information and Radio Displays
For vehicles with high gloss surfaces or vehicle displays, use a microfiber cloth
to wipe surfaces.
Before wiping the surface with the microfiber cloth, use a soft bristle brush
to remove dirt that could scratch the surface. Then use the microfiber cloth by
gently rubbing to clean. Never use ...
OnStar Additional Information
Transferring Service
Press to request account transfer
eligibility information. The Advisor can assist in canceling or removing account
information.
Selling/Transferring the Vehicle
Call 1-888-4-ONSTAR immediately to terminate your OnStar services if the vehicle
is disposed of, sold, trans ...