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 advertised as TOP TIER Detergent Gasoline.
Look for the TOP TIER label on the fuel pump to ensure gasoline meets enhanced detergency standards developed by auto companies. A list of marketers providing TOP TIER Detergent Gasoline can be found at www.toptiergas.com.
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. ...
Navigation
OnStar navigation requires the Directions and Connections service plan.
Push to receive directions or have
them sent to the vehicle navigation screen. Destinations can also be forwarded to
the v ...
Safety Locks
The rear door safety locks switch is on the instrument panel.
Rear door safety locks prevent passengers from opening the rear doors from inside
the vehicle.
Press to activate the safety locks. ...