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 cell pho ...

Using the “Store” Command
1. Press and hold for two seconds. 2. Say “Store.” 3. Say the phone number or group of numbers you want to store all at once with no pauses, then follow the directions given by the system to sav ...

Power Liftgate Operation
On vehicles with a power liftgate, the vehicle must be in P (Park) to use the power feature. The taillamps flash when the power liftgate moves. Notice: If you open the liftgate without checking f ...