See also:

Resuming a Set Speed
If cruise control is set at a desired speed and the brakes are applied, this shuts off the cruise control. However, it does not need to be reset. Once your vehicle reaches a speed of about 40 km/h ...

Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five ...

Pairing
A Bluetooth-enabled cell phone must be paired to the Bluetooth system and then connected to the vehicle before it can be used. See your cell phone manufacturer's user guide for Bluetooth funct ...