GMC Yukon XL Denali 2005 Owner's Manual page 15

3. Pull (push if you are exiting the third row with no
assistance) the seat forward until it stops.
CAUTION:
{
If the seatback is not locked, it could move
forward in a sudden stop or crash. That could
cause injury to the person sitting there. Always
press rearward on the seatback to be sure it is
locked.
CAUTION:
{
A safety 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 safety belts are properly
routed and attached, and are not twisted.
Be sure to return the seat to the passenger position
when finished. Pull forward and push rearward on the
seat to make sure it is locked in place.
Heated Seats
To heat the seat, press the button to cycle through the
temperature settings of high and low. Press the
button a third time to turn the seats off. An Indicator
light will glow for each heat setting when the seats are
operating.
The heated rear seats will shut off automatically when
the ignition is turned off.
The buttons used to control
this feature are located on
the back of the center
console. The engine must
be running for the heated
seat feature to work.
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