Pontiac 2008 G6 - Manual (Page 127)

{ CAUTION:
When the retractable hardtop is opened or
closed, people can be injured by the parts that
move: the hardtop and its mechanism, the
trunk lid, and the side windows. Keep people
away from these parts when you are lowering
or raising the top.
{ CAUTION:
If the retractable hardtop is not completely
opened or closed, the system will cause the
retractable hardtop to slowly descend after
3 minutes. You or others could be injured. The
retractable hardtop will descend immediately if
the ignition is turned to LOCK/OFF during the
opening or closing of the retractable hardtop.
Always completely open or close the
retractable hardtop and do not shut off the
ignition during the opening or closing of the
retractable hardtop.
4. The hardtop switch is
located on the
headliner between the
front reading lamps.
Press and hold the switch rearward to lower the
hardtop. The switch must be pressed until the cycle is
complete.
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