Buick 2010 Lucerne - Manual (Page 122)

Rear Seat Pass‐Through
Your vehicle has a small door in the rear seat. This door
allows you to access the trunk from inside the vehicle.
The rear seat armrest must be down for the
pass-through door to open. To release the pass-through
door, move the release lever up. To close the door,
raise it and push it until it latches.
Windows
{ WARNING:
Leaving children, helpless adults, or pets in a
vehicle with the windows closed is dangerous.
They can be overcome by the extreme heat and
suffer permanent injuries or even death from heat
stroke. Never leave a child, a helpless adult, or a
pet alone in a vehicle, especially with the windows
closed in warm or hot weather.
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