GMC YUKON 2010 Service Manual

Head Restraints
The front seats have adjustable head restraints in the
outboard seating positions.
{WARNING:
With head restraints that are not installed and
adjusted properly, there is a greater chance that
occupants will suffer a neck/spinal injury in a
crash. Do not drive until the head restraints for all
occupants are installed and adjusted properly.
Adjust the head restraint so that the top of the restraint
is at the same height as the top of the occupant's head.
This position reduces the chance of a neck injury in a
crash.
2-3

Pull the head restraint up to raise it. To lower the head
restraint, press the button, located on the top of the
seatback, and push the restraint down.
Push down on the head restraint after the button is
released to make sure that it is locked in place.
The head restraints are not designed to be removed.
The rear seat has head rests that can be adjusted up
and down.
Front Seats
Manual Seats
{WARNING:
You can lose control of the vehicle if you try to
adjust a manual driver's seat while the vehicle is
moving. The sudden movement could startle and
confuse you, or make you push a pedal when you
do not want to. Adjust the driver's seat only when
the vehicle is not moving.
2-4

If the vehicle has a manual seat, it can be moved
forward or rearward.
1. Lift the bar to unlockthe seat.
2. Slide the seat to the desired position and
release the bar.
Try to move the seat with your body to be sure the seat
is locked in place.
Power Seats
Driver's Seat with Power Seat Control, Power Recline, and Power Lumbar shown
On a vehicle with power seats, the controls used to
operate them are located on the outboard side of the
seats.
2-5

Move the seat forward or rearward by sliding the control
forward or rearward.
Your vehicle may have additional features to adjust your
vehicle's power seat:
.Raise or lower the front part of the seat cushion by
moving the front of the control up or down.
.Raise or lower the rear part of the seat cushion by
moving the rear of the control up or down.
.Raise or lower the entire seat by moving the entire
control up or down.
On seats with power reclining seatbacks, the control is
located behind the power seat control on the outboard
side of the seats. See “Power Reclining Seatbacks”
under Reclining Seatbacks on page 2‑12.
A vehicle with a memory function allows seat settings to
be saved and recalled. See Memory Seat, Mirrors, and
Pedals
on page 2‑10for more information.
Manual Lumbar
On vehicles with this feature the control is located on
the outboard side of the seat.
Increase or decrease lumbar support by turning the
knob forward or rearward.
2-6

Power Lumbar
On seats with power lumbar, the controls used to
operate this feature are located on the outboard side
of the seats.
This vehicle may have 2–way lumbar.
.To increase lumbar support, press and hold the top
of the control.
.To decrease lumbar support, press and hold the
bottom of the control.The vehicle may have 4–way lumbar.
.To increase lumbar support, press and hold the
front of the control.
.To decrease lumbar support, press and hold the
rear of the control.
.To raise the height of the lumbar support, press
and hold the top of the control.
.To lower the height of the lumbar support, press
and hold the bottom of the control.
Release the control when the lower seatback reaches
the desired level of lumbar support.
Your vehicle may have a memory function which allows
seat settings to be saved and recalled. See Memory
Seat, Mirrors, and Pedals
on page 2‑10for more
information.
Keep in mind that as your seating position changes, as
it may during long trips, so should the position of your
lumbar support. Adjust the seat as needed.
2-7

Heated Seats
{WARNING:
If you cannot feel temperature change or pain to
the skin, the seat heater may cause burns even
at low temperatures. To reduce the risk of burns,
people with such a condition should use care
when using the seat heater, especially for long
periods of time. Do not place anything on the seat
that insulates against heat, such as a blanket,
cushion, cover or similar item. This may cause
the seat heater to overheat. An overheated seat
heater may cause a burn or may damage
the seat.
On vehicles with heated front seats, the controls are
located on the driver and passenger doors. I
(Heated Seatback): Press to turn on the heated
seatback.
J (Heated Seat and Seatback): Press to turn on the
heated seat and seatback.
The light on the button will come on to indicate that the
feature is working. Press the button to cycle through the
temperature settings of high, medium, and low and to
turn the heat to the seat off. Indicator lights will show
the level of heat selected: three for high, two for
medium, and one for low.
The heated seats will be canceled 10 seconds after the
ignition is turned off. To use the heated seat feature
after restarting the vehicle, press the heated seat or
seatback button again.
2-8

Heated and Cooled Seats
If the front seats have the heated and cooled seat
feature, the buttons used to control this feature are
located on the front doors near the door handle.
{(Cooled Seat):To cool the entire seat, press the
button with the cooled seat symbol.
This symbol will appear on the climate control display to
indicate that the feature is on. Press the button to cycle
through the temperature settings of high, medium, and
low and to turn the cooled seat off. Indicator bars next
to the symbol designate the level of cooling selected:
three for high, two for medium, and one for low.
+(Heated Seatback): To heat only the seatback,
press the button with the heated seatback symbol.
This symbol will appear on the climate control display to
indicate that the feature is on. Press the button to cycle
through the temperature settings of high, medium, and
low and to turn the heated seatback off. Indicator bars
next to the symbol designate the level of heat selected:
three for high, two for medium, and one for low.
z(Heated Seat and Seatback): To heat the entire
seat, press the button with the heated seat and
seatback symbol.
This symbol will appear on the climate control display to
indicate that the feature is on. Press the button to cycle
through the temperature settings of high, medium, and
low and to turn the heated seat off. Indicator bars next
to the symbol designate the level of heat selected: three
for high, two for medium, and one for low.
The heated and cooled seats will be canceled after the
ignition is turned off. To use the heated and cooled seat
feature after the vehicle is started, you will need to
press the appropriate seat button again.
2-9

Memory Seat, Mirrors, and Pedals
Your vehicle may have the memory package.
The controls for this
feature are located on
the driver's door panel,
and are used to program
and recall memory
settings for the driver's
seat, outside mirrors,
and the adjustable throttle
and brake pedal.To save seating positions in memory:
1. Adjust the driver's seatback recliner, both outside mirrors, and the throttle and brake pedals to a
comfortable position.
See Outside Power Mirrors
on page 3‑55and
Adjustable Throttle and Brake Pedalon page 3‑31for more information.
Not all mirrors, adjustable throttles and brake
pedals will have the ability to save and recall their
positions.
2. Press and hold button 1 until two beeps sound to indicate that the position has been stored.
A second seating, mirror, and throttle and brake pedal
position can be programmed by repeating the above
steps and pressing button 2.
2-10

To recall the memory positions, the vehicle must be in
P (Park). Press and release either button 1 or button 2
corresponding to the desired driving position. The seat,
outside mirrors, and adjustable throttle and brake
pedals will move to the position previously stored.
You will hear a single beep.
If you use the remote keyless entry transmitter to enter
your vehicle and the remote recall memory feature is
on, automatic seat, adjustable mirror, and adjustable
pedal movements will occur. See“MEMORY SEAT
RECALL” underDIC Vehicle Customization (With DIC
Buttons)
on page 4‑72for more information.
To stop recall movement of the memory function at any
time, press one of the power seat controls, memory
buttons, power mirror buttons, or adjustable pedal
switch.
If something has blocked the driver ’s seat and/or the
adjustable pedals while recalling a memory position,
the driver ’s seat and/or the adjustable pedals recall may
stop working. If this happens, remove the obstruction
and press the appropriate control for the area that is not
responding for two seconds. Try recalling the memory
position again by pressing the appropriate memory
button. If the memory position is still not recalling,
see your dealer for service.
Easy Exit Seat
The control for this feature is located on the driver ’s
door panel between buttons 1 and 2.
With the vehicle in P (Park), the driver's seat exit
position can be recalled by pressing the exit button.
You will hear a single beep, and the driver ’s seat will
move back approximately 8 cm (3 in). To move the seat
back further, press the exit button again until the seat is
all the way back.
If the easy exit seat feature is programmed in the Driver
Information Center (DIC), automatic seat movement will
occur when the key is removed from the ignition. See
“EASY EXIT SEAT” underDIC Vehicle Customization
(With DIC Buttons)
on page 4‑72for more information.
The memory seat and easy exit features can also be
programmed using the DIC.
For programming information, see DIC Vehicle
Customization (With DIC Buttons) on page 4‑72.
2-11

Reclining Seatbacks
{WARNING:
You can lose control of the vehicle if you try to
adjust a manual driver's seat while the vehicle is
moving. The sudden movement could startle and
confuse you, or make you push a pedal when you
do not want to. Adjust the driver's seat only when
the vehicle is not moving.
{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.
2-12