OnStar

See also:

Languages
The vehicle supports English, French (Canadian), and Spanish. The default language is English. To change the display language, see Vehicle Personalization on page 5‑33 for more information. ...

Interior
Manual inside rearview mirrors can be adjusted by holding in the center to move the mirror for a clearer view of behind the vehicle. Adjust the mirror to avoid glare from the headlamps behind you. ...

Fuel
Use of the recommended fuel is an important part of the proper maintenance of this vehicle. To help keep the engine clean and maintain optimum vehicle performance, we recommend the use of gasoline adv ...