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 ...

Transferring Service

Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has chan ...

See also:

Using the Store Command
The store command allows a phone number to be stored without entering the digits individually. 1. Press . ► For vehicles without a navigation system, the system responds “Ready,” followed ...

Route guidance inactive
1. Direction of travel 2. Current road ...

Sunvisors
When you need a sunvisor, lower it for use in front or swing it to the side. Side Extension Sunvisors The visor extender extends the sunvisor's range of sun shading. To use, pull it out. C ...