Unable to Connect to OnStar Message
If there is limited cellular coverage
or the cellular network has reached
maximum capacity, this message
may come on. Push 
to try the
call again or try again after driving a
few miles into another cellular area.
See also:
Door Locks
To lock or unlock the doors:
• From inside the vehicle, use the
door lock knob or the power
door lock controls, pull once on
the door handle to unlock it, and
a second time to open it.
• ...
Brake Adjustment
Every time the brakes are applied, with or without the
vehicle moving, the brakes adjust for wear. ...
Head Restraint Removal and Reinstallation
The rear outboard head restraints can be removed if they interfere with the proper installation of the child restraint.
To remove the head restraint:
1. Partially fold the seatback forward. See Rear ...