See also:

Jump Starting
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 step ...

Flash-to-Pass
This feature lets you use your high-beam headlamps to signal a driver in front of you that you want to pass. It works even if your headlamps are in the automatic position. To use it, pull the turn ...

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 ...