GMC Yukon 2021 Owner's Manual page 54

Returning the Third Row Seatback to the
Upright Position
1. Ensure the seat belt is in the belt
stowage clip.
2. From the rear of the vehicle, raise the
seatback to the upright position using
the pull strap on the back of the third
row seat, or lift the seatback and push it
into place from inside the vehicle.
Warning
If either seatback is not locked, it could
move forward in a sudden stop or crash.
That could cause injury to the person
sitting there. Always push and pull on
the seatbacks to be sure they are locked.
3. Push and pull on the seatback to make
sure it is locked in place.
Warning
A seat belt that is improperly routed, not
properly attached, or twisted will not
provide the protection needed in a crash.
The person wearing the belt could be
seriously injured. After raising the rear
seatback, always check to be sure that
the seat belts are properly routed and
attached, and are not twisted.
4. Reconnect the center seat belt mini-latch
to the mini-buckle. Do not let it twist.
5. Pull on the seat belt to be sure the
mini-latch is secure.
Seats and Restraints
Folding the Third Row Seats from the
Overhead Console
To fold the seats from the overhead console,
if equipped:
The vehicle must be in P (Park).
1. Press and hold the switch to fold the
third row seatback.
The left switch folds the left seatback,
and the right switch folds the right
seatback.
2. Repeat the steps for the other seatback,
if desired.
3. Press and hold the switch to return the
seatback to the seating position.
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