See also:

Retained Accessory Power (RAP)
The following accessories can be used for up to 10 minutes after the engine is turned off. • Audio System • Audio Steering Wheel (if equipped) • Clock • Power Windows • Sunroof (if eq ...

Jump Starting (with or without eAssist)
For more information about the vehicle battery, see Battery. If the battery has run down, try to use another vehicle and some jumper cables to start your vehicle. Be sure to use the following ...

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 ...