Front Seats
The front seats have adjustable head restraints in the outboard seating positions.

The height of the head restraint can be adjusted. Pull the head restraint up to raise it. Try to move the head restraint to make sure that it is locked in place.
To lower the head restraint, press the button, located on the top of the seatback, and push the head restraint down. Try to move the head restraint after the button is released to make sure that it is locked in place.
The front seat outboard head restraints are not designed to be removed.
See also:
Auto Door Unlock
This allows selection of which of the doors will automatically unlock when
the vehicle is shifted into P (Park).
Press the MENU/SELECT knob when Auto Door Unlock is highlighted. Turn the
knob to ...
Rear Seats
The vehicle's rear seats have adjustable head restraints in the outboard
seating positions.
The height of the head restraint can be adjusted. Pull the head restraint up
to raise it. Try to mo ...
Warranty
OnStar equipment may be
warranted as part of the new-vehicle
limited warranty. The manufacturer
of the vehicle furnishes detailed
warranty information. ...






