Pontiac 2003 Montana Owner's Manual page 96

5. Rotate the head restraint forward and push it all the
way down.
Just like the other restraint systems in your vehicle, your
built-in child restraint needs to be periodically checked
and may need to have parts replaced after a crash. See
Checking Your Restraint Systems on page 1-99 and
Replacing Restraint System Parts After a Crash
on page 1-99.
1-89