Fuel System Messages
ECO MODE ON
On some models, this message displays when the fuel economy mode has been turned on by pressing the eco button near the shift lever. See Fuel Economy Mode on page 9‑31 for more information.
FUEL LEVEL LOW
This message displays when the vehicle is low on fuel. Refuel as soon as possible.
TIGHTEN GAS CAP
This message displays when the fuel cap is not on tight. Tighten the fuel cap.
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. ...
Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...
Using the “List” Command
1. Press and hold for two seconds.
2. Say “Directory.” 3. Say “Hands-Free Calling.” 4. Say “List.” ...