OnStar Services
See also:
Fuel Economy Mode
Vehicles with a 2.4L engine have a Fuel Economy Mode. When engaged, fuel economy
mode can improve the vehicle's fuel economy.
Press the “eco” (economy) button by the shift lever to turn t ...
Transmission Messages
ALL WHEEL DRIVE OFF
If your vehicle has the All-Wheel Drive (AWD) system, this message displays when there is a compact spare tire on the vehicle, when the Antilock Brake System (ABS) warning light c ...
Hands-Free Calling
1. Push System responds: “OnStar
ready.”
2. Say “Dial.” System responds: “Please say the name or number to call.”
3. Say the entire number without pausing, including a “1” and the ...





