OnStar Mobile App
With an iPhone® or Android™-based mobile device, an OnStar mobile app can be downloaded. The vehicle can be remote started, if equipped, or the doors can be unlocked from anywhere there is cell phone service. It can also check the fuel level, tire pressure, and oil life.
It can connect to an OnStar Advisor anytime. For OnStar mobile app compatibility or further information, see www.onstar.com.
See also:
Power Reclining Seatbacks
To adjust a power seatback, if equipped:
• Tilt the top of the control rearward to recline.
• Tilt the top of the control forward to raise. ...
Trip Odometer Reset Stem Menu Items (with DIC Buttons)
Use the trip odometer reset stem to view the odometer and trip odometer. The Language selection and Engine Hours display can also be accessed with the trip odometer reset stem. ...
Engine Oil
For diesel engine vehicles, see “Engine Oil” in the Duramax Diesel Supplement.
To ensure proper engine performance and long life, careful attention must be paid to engine oil.
Following these si ...