See also:

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 ...

Unable to Connect to OnStar Message
If there is limited cellular coverage or the cellular network has reached maximum capacity, this message may come on. Push to try the call again or try again after driving a few miles into ...

Setting the Power Liftgate 3/4 Mode
To change the liftgate stop position. 1. Turn the liftgate switch to either the MAX, or the 3/4 mode position and power open the liftgate. 2. Stop the liftgate movement at the desired height by p ...