OnStar Services

See also:

California Fuel Requirements
If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this ...

Listing Stored Numbers
The list command will list all the stored numbers and name tags. Using the “List” Command 1. Press . The system responds “Ready,” followed by a tone. 2. Say “Directory.” 3. Say “Ha ...

Shifting out of Park
Automatic Transmission Shift Lock The vehicle has an automatic transmission shift lock control system. The shift lock control system is designed to: • Prevent ignition key removal unless ...