See also:

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 ...

Trip Odometer
A trip odometer show how far the vehicle has been driven since the odometer was last set to zero. See Driver Information Center (DIC) for information on resetting the trip odometer. ...

Head Restraint Adjustment
Do not drive until the head restraints for all occupants are installed and adjusted properly. To achieve a comfortable seating position, change the seatback recline angle as little as necessa ...