GMC 2007 Envoy Denali Owner's Manual page 15

To return the seatback to an upright position, do
the following:
1. Lift the lever fully without applying pressure
to the seatback and the seatback will return
to the upright position.
2. Push and pull on the seatback to make sure
it is locked.
Power Reclining Seatbacks
•
To recline the seatback, press the control
toward the rear of the vehicle.
•
To raise the seatback, press the control
toward the front of the vehicle.
If your seats have
power reclining
seatbacks, use the
vertical power
seat control located
on the outboard side
of the seat(s).
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